ci: add release-please for automated releases (#64)

* ci: add release-please for automated releases

Add release-please to automate versioning, changelog generation, and npm
publishing on merge to main. Mirrors the setup in authkit-nextjs.

* Update .github/workflows/release-please.yml

Co-authored-by: greptile-apps[bot] <165735046+greptile-apps[bot]@users.noreply.github.com>

---------

Co-authored-by: greptile-apps[bot] <165735046+greptile-apps[bot]@users.noreply.github.com>

Author: nicknisi

.github/workflows/release-please.yml

@@ -0,0 +1,34 @@
+name: Release Please
+
+on:
+  push:
+    branches:
+      - main
+
+permissions:
+  contents: write
+  pull-requests: write
+  id-token: write
+
+jobs:
+  release-please:
+    runs-on: ubuntu-latest
+    outputs:
+      release_created: ${{ steps.release.outputs.release_created }}
+    steps:
+      - name: Generate token
+        id: generate-token
+        uses: actions/create-github-app-token@v2
+        with:
+          app-id: ${{ vars.SDK_BOT_APP_ID }}
+          private-key: ${{ secrets.SDK_BOT_PRIVATE_KEY }}
+
+      - uses: googleapis/release-please-action@v4
+        id: release
+        with:
+          token: ${{ steps.generate-token.outputs.token }}
+
+  publish:
+    needs: release-please
+    if: ${{ needs.release-please.outputs.release_created == 'true' }}
+    uses: ./.github/workflows/release.yml

.github/workflows/release.yml

@@ -1,11 +1,8 @@
 name: Release
 
 on:
-  # Support manually pushing a new release
-  workflow_dispatch: {}
-  # Trigger when a release is published
-  release:
-    types: [published]
+  workflow_dispatch:
+  workflow_call:
 
 defaults:
   run:
@@ -37,12 +34,5 @@ jobs:
         run: |
           pnpm run build
 
-      - name: Push Release
-        if: ${{ !github.event.release.prerelease }}
-        run: |
-          pnpm publish --tag latest --access=public --no-git-checks --provenance
-
-      - name: Push Pre-Release
-        if: ${{ github.event.release.prerelease }}
-        run: |
-          pnpm publish --tag next --access=public --no-git-checks --provenance
+      - name: Publish
+        run: pnpm publish --tag latest --access=public --provenance --no-git-checks

.release-please-manifest.json

@@ -0,0 +1,3 @@
+{
+  ".": "0.5.0"
+}

release-please-config.json

@@ -0,0 +1,11 @@
+{
+  "$schema": "https://raw.githubusercontent.com/googleapis/release-please/main/schemas/config.json",
+  "include-component-in-tag": false,
+  "packages": {
+    ".": {
+      "release-type": "node",
+      "changelog-path": "CHANGELOG.md",
+      "versioning": "default"
+    }
+  }
+}