feat: add release please support

Signed-off-by: Gordon Smith <[email protected]>

Author: GordonSmith

.github/workflows/release-please.yml

@@ -0,0 +1,23 @@
+name: Release Please
+
+on:
+    push:
+        branches:
+            - trunk
+            - main
+    workflow_dispatch:
+    schedule:
+        - cron: "0 6 * * 1"
+
+permissions:
+    contents: write
+    pull-requests: write
+
+jobs:
+    release:
+        runs-on: ubuntu-latest
+        steps:
+            - name: Create Release Pull Request
+              uses: google-github-actions/release-please-action@v4
+              with:
+                  release-type: cpp

README.md

@@ -12,6 +12,10 @@
 
 This repository contains a C++ ABI implementation of the WebAssembly Component Model.
 
+## Release management
+
+Automated releases are handled by [Release Please](https://github.com/googleapis/release-please) via GitHub Actions. Conventional commit messages (`feat:`, `fix:`, etc.) keep the changelog accurate and drive version bumps; when enough changes accumulate, the workflow opens a release PR that can be merged to publish a GitHub release.
+
 ## Features
 
 ### OS