init: first version setup

.github/ISSUE_TEMPLATE.yml

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+### Prerequisites
+
+* [ ] Can you reproduce the problem? If so, please the relevant code.
+* [ ] Are you running the latest version?
+* [ ] Are you reporting to the correct repository?
+* [ ] Did you perform a cursory search?
+
+### Description
+
+[Description of the bug or feature]
+
+### Steps to Reproduce
+
+1. [First Step]
+2. [Second Step]
+3. [and so on...]
+
+**Expected behavior:** [What you expected to happen]
+
+**Actual behavior:** [What actually happened]

.github/PULL_REQUEST_TEMPLATE.yml

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+## Types of changes
+<!--- What types of changes does your code introduce? Put an `x` in all the boxes that apply: -->
+- [ ] Bug fix (non-breaking change which fixes an issue)
+- [ ] New feature (non-breaking change which adds functionality)
+- [ ] Breaking change (fix or feature that would cause existing functionality to change)
+- [ ] I have read the **CONTRIBUTING** document.
+- [ ] My code follows the code style of this project.
+- [ ] My change requires a change to the documentation.
+- [ ] I have updated the documentation accordingly.
+- [ ] I have added tests to cover my changes.
+- [ ] All new and existing tests passed.

.github/workflows/build-container.yml

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+name: "[Nix] Build Container"
+
+on:
+  push:
+    branches: [ "master" ]
+    paths:
+      - '.github/**'
+      - 'flake.nix'
+      - 'flake.lock'
+      - 'src/**'
+      - 'tests/**'
+  pull_request:
+    paths:
+      - '.github/**'
+      - 'flake.nix'
+      - 'flake.lock'
+      - 'src/**'
+      - 'tests/**'
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v4
+      with:
+        token: ${{ github.token }}
+
+    - name: Install Nix
+      uses: cachix/install-nix-action@v24
+      with:
+        # Mostly to avoid GitHub rate limiting
+        extra_nix_config: |
+          access-tokens = github.com=${{ github.token }}
+
+    - name: Install Nix Cache
+      uses: DeterminateSystems/magic-nix-cache-action@main
+
+    - name: Build OCI Image
+      run: nix build .#dockerImage

.github/workflows/build.yml

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+name: "[.Net] Build & Test"
+
+on:
+  push:
+    branches: [ "master" ]
+    paths:
+      - '.github/**'
+      - 'flake.nix'
+      - 'flake.lock'
+      - 'src/**'
+      - 'tests/**'
+  pull_request:
+    paths:
+      - '.github/**'
+      - 'flake.nix'
+      - 'flake.lock'
+      - 'src/**'
+      - 'tests/**'
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v4
+      with:
+        token: ${{ github.token }}
+
+    - name: Install Nix
+      uses: cachix/install-nix-action@v24
+      with:
+        # Mostly to avoid GitHub rate limiting
+        extra_nix_config: |
+          access-tokens = github.com=${{ github.token }}
+
+    - name: Install Nix Cache
+      uses: DeterminateSystems/magic-nix-cache-action@main
+
+    - name: Build
+      run: nix develop .#ci --impure -c just build
+    - name: Run testing suite
+      run: nix develop .#ci --impure -c just test

.github/workflows/clear-cache.yml

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+name: Clear cache
+
+on:
+  workflow_dispatch:
+  schedule:
+    - cron: "*/15 2-4 * * *"
+  pull_request:
+    types:
+      - closed
+
+permissions:
+  actions: write
+
+jobs:
+  # https://docs.github.com/en/actions/using-workflows/caching-dependencies-to-speed-up-workflows#force-deleting-cache-entries
+  pr-cleanup:
+    if: ${{ github.event_name == 'pull_request' && github.event.action == 'closed' }}
+    runs-on: ubuntu-latest
+    steps:
+      - name: Closed PR Cleanup
+        run: |
+          gh extension install actions/gh-actions-cache
+
+          echo "Fetching list of cache key"
+          cacheKeysForPR=$(gh actions-cache list -R $REPO -B $BRANCH -L 100 | cut -f 1 )
+
+          ## Setting this to not fail the workflow while deleting cache keys.
+          set +e
+          echo "Deleting caches..."
+          for cacheKey in $cacheKeysForPR
+          do
+              gh actions-cache delete $cacheKey -R $REPO -B $BRANCH --confirm
+          done
+          echo "Done"
+        env:
+          GH_TOKEN: ${{ github.token }}
+          REPO: ${{ github.repository }}
+          BRANCH: refs/pull/${{ github.event.pull_request.number }}/merge
+
+  scheduled-cleanup:
+    if: ${{ github.event_name == 'schedule' || github.event_name == 'workflow_dispatch' }}
+    runs-on: ubuntu-latest
+    steps:
+      - name: Clear Cache
+        uses: actions/github-script@v7
+        with:
+          script: |
+            console.log("About to clear")
+            const caches = await github.rest.actions.getActionsCacheList({
+              owner: context.repo.owner,
+              repo: context.repo.repo,
+            })
+            for (const cache of caches.data.actions_caches) {
+              console.log(cache)
+              github.rest.actions.deleteActionsCacheById({
+                owner: context.repo.owner,
+                repo: context.repo.repo,
+                cache_id: cache.id,
+              })
+            }
+            console.log("Clear completed")

.github/workflows/nuget.yml

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+name: Nuget
+
+on:
+  push:
+    tags:
+      - "v[0-9]+.[0-9]+.[0-9]+"
+
+jobs:
+  push:
+    name: Push to Nuget
+    runs-on: ubuntu-latest
+    timeout-minutes: 10
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+        with:
+          token: ${{ github.token }}
+      - uses: actions/setup-dotnet@v4
+        with:
+          dotnet-version: 6.0.x
+
+      - name: Install Nix
+        uses: cachix/install-nix-action@v24
+        with:
+          # Mostly to avoid GitHub rate limiting
+          extra_nix_config: |
+            access-tokens = github.com=${{ github.token }}
+
+      - name: Install Nix Cache
+        uses: DeterminateSystems/magic-nix-cache-action@main
+
+      - name: Test before releasing
+        run: nix develop .#ci --impure -c just test
+      - name: Pack release
+        run: nix develop .#ci --impure -c just pack
+      - name: Publish the package to nuget.org
+        run: nix develop .#ci --impure -c just release
+        env:
+          NUGET_API_KEY: ${{ secrets.NUGET_API_KEY }}

.github/workflows/release.yml

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+name: Create Release
+
+on:
+  push:
+    tags:
+      - "v[0-9]+.[0-9]+.[0-9]+"
+
+jobs:
+  create-github-release:
+    name: Create GitHub Release
+    runs-on: ubuntu-latest
+    permissions:
+      contents: write
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+        with:
+          token: ${{ github.token }}
+      - name: Create Release
+        run: gh release create ${{ github.ref }} --generate-notes
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}