feat: Implement basic sccache action support

Signed-off-by: Xuanwo <[email protected]>

.gitattributes

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+# Ignore dist changes
+dist/index.js -diff

.github/dependabot.yml

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+version: 2
+updates:
+  - package-ecosystem: "npm"
+    directory: "/"
+    schedule:
+      interval: "monthly"

.github/workflows/test.yml

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+name: Test sccache
+
+on: [push, pull_request]
+
+jobs:
+  v0_3_3:
+    name: Test version 0.3.3
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        os:
+          - ubuntu-latest
+          - windows-latest
+          - macos-lastest
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+
+      - name: Set Node.js 16.x
+        uses: actions/setup-node@v1
+        with:
+          node-version: 16.x
+
+      - name: npm install
+        run: npm install
+
+      - name: Run sccache-cache
+        uses: ./
+        with:
+          version: "v0.3.3"
+
+      - name: Run sccache stat for check
+        shell: bash
+        run: ${SCCACHE_PATH} --stat

.gitignore

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+node_modules/
+lib/

.prettierrc.json

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+{
+    "printWidth": 80,
+    "tabWidth": 2,
+    "useTabs": false,
+    "semi": true,
+    "singleQuote": true,
+    "trailingComma": "none",
+    "bracketSpacing": false,
+    "arrowParens": "avoid",
+    "parser": "typescript"
+}

action.yml

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+---
+name: "Sccache Action"
+description: "Setup sccache action"
+author: "mozilla"
+inputs:
+  version:
+    description: "The installed sccache version."
+    required: true
+runs:
+  using: "node16"
+  main: "dist/index.js"
+branding:
+  icon: "star"
+  color: "orange"