feat(website): introduce Poku's website (#20)

* chore(website): introduce Poku's website

* chore: improve description and documentation

* chore: create .gitattributes

* ci: fix lint conflict

.eslintignore

@@ -1,3 +1,4 @@
 /lib
 /ci
 /CHANGELOG.md
+/website

.gitattributes

@@ -0,0 +1 @@
+website/* linguist-vendored

.github/workflows/gh-pages.yml

@@ -0,0 +1,45 @@
+name: 'GitHub Pages'
+on:
+  push:
+    branches:
+      - main
+    paths:
+      - 'website/**'
+  workflow_dispatch:
+
+jobs:
+  deploy:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Actions - Checkout
+        uses: actions/checkout@v4
+
+      - name: Actions - Setup NodeJS
+        uses: actions/setup-node@v4
+        with:
+          node-version: '20.x'
+
+      - name: Cache Dependencies
+        uses: actions/cache@v4
+        with:
+          path: ~/.npm
+          key: npm-${{ hashFiles('package-lock.json') }}
+          restore-keys: npm-
+
+      - name: Installing Dependencies
+        run: cd website && npm ci
+
+      - name: Checking Types
+        run: cd website && npm run typecheck
+
+      - name: Run Unit Tests
+        run: cd website && npm run test:unit
+
+      - name: Building Site
+        run: cd website && npm run build
+
+      - name: Deploy
+        uses: peaceiris/actions-gh-pages@v3
+        with:
+          github_token: ${{ secrets.GITHUB_TOKEN }}
+          publish_dir: ./website/build

.prettierignore

@@ -1,3 +1,4 @@
 /lib
 /ci
 /CHANGELOG.md
+/website