feat: add release please action (#21)

Because

- We need official release tag for versioning

This commit

- Implement release-please action

.github/workflows/release.yml

@@ -1 +1,45 @@
-name: Release Please
+name: Release Please
+
+on:
+  push:
+    branches:
+      - main
+
+jobs:
+  release-please:
+    runs-on: ubuntu-latest
+    outputs:
+      RELEASE_CREATED: ${{ steps.release.outputs.release_created }}
+      TAG_NAME: ${{ steps.release.outputs.tag_name }}
+      SHA: ${{ steps.release.outputs.sha }}
+    steps:
+      - uses: google-github-actions/release-please-action@v3
+        id: release
+        with:
+          token: ${{ secrets.botGitHubToken }}
+          release-type: node
+          command: manifest
+          config-file: release-please/config.json
+          manifest-file: release-please/manifest.json
+      - uses: actions/checkout@v2
+        with:
+          token: ${{ secrets.botGitHubToken }}
+      - name: Import GPG Key
+        uses: crazy-max/ghaction-import-gpg@v4
+        with:
+          gpg_private_key: ${{ secrets.botGPGPrivateKey }}
+          passphrase: ${{ secrets.botGPGPassphrase }}
+          git_user_signingkey: true
+          git_commit_gpgsign: true
+          git_tag_gpgsign: true
+      - name: Tag major and minor versions
+        if: ${{ steps.release.outputs.release_created }}
+        run: |
+          git tag -d v${{ steps.release.outputs.major }} || true
+          git tag -d v${{ steps.release.outputs.major }}.${{ steps.release.outputs.minor }} || true
+          git push origin :v${{ steps.release.outputs.major }} || true
+          git push origin :v${{ steps.release.outputs.major }}.${{ steps.release.outputs.minor }} || true
+          git tag -a v${{ steps.release.outputs.major }} -m "Release v${{ steps.release.outputs.major }} pointing to tag ${{ steps.release.outputs.tag_name }}"
+          git tag -a v${{ steps.release.outputs.major }}.${{ steps.release.outputs.minor }} -m "Release v${{ steps.release.outputs.major }}.${{ steps.release.outputs.minor }} pointing to tag ${{ steps.release.outputs.tag_name }}"
+          git push origin v${{ steps.release.outputs.major }}
+          git push origin v${{ steps.release.outputs.major }}.${{ steps.release.outputs.minor }}

release-please/config.json

@@ -0,0 +1,11 @@
+{
+  "packages": {
+    ".": {
+      "release-type": "node",
+      "draft": false,
+      "prerelease": true,
+      "bump-minor-pre-major": true,
+      "bump-patch-for-minor-pre-major": false
+    }
+  }
+}

release-please/manifest.json

@@ -0,0 +1,3 @@
+{
+  ".": "0.0.1-alpha"
+}