feat: add release-please workflow and configuration files for automated releases

Author: TerrorSquad

.github/workflows/release-please.yml

@@ -0,0 +1,25 @@
+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 }}
+      upload_url: ${{ steps.release.outputs.upload_url }}
+    permissions:
+      contents: write
+      pull-requests: write
+      issues: write
+    steps:
+      - uses: googleapis/release-please-action@v4
+        id: release
+        with:
+          token: ${{ secrets.GITHUB_TOKEN }}
+          config-file: release-please-config.json
+          manifest-file: .release-please-manifest.json

.release-please-manifest.json

@@ -0,0 +1,3 @@
+{
+  ".": "0.4.0"
+}

release-please-config.json

@@ -0,0 +1,26 @@
+{
+  "$schema": "https://raw.githubusercontent.com/googleapis/release-please/main/schemas/config.json",
+  "packages": {
+    ".": {
+      "release-type": "simple",
+      "extra-files": [
+        {
+          "type": "json",
+          "path": "booster/composer.json",
+          "jsonpath": "$.version"
+        },
+        {
+          "type": "json",
+          "path": "booster/package.json",
+          "jsonpath": "$.version"
+        },
+
+        {
+          "type": "json",
+          "path": "docs/package.json",
+          "jsonpath": "$.version"
+        }
+      ]
+    }
+  }
+}