changesets github release action (#109)

.github/workflows/release.yaml

@@ -0,0 +1,36 @@
+name: Release
+
+on:
+  push:
+    branches:
+      - main
+
+concurrency: ${{ github.workflow }}-${{ github.ref }}
+
+jobs:
+  release:
+    name: Release
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: Install pnpm
+        uses: pnpm/action-setup@v4
+      - name: Use Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: 20.x
+          cache: 'pnpm'
+      - name: Install pnpm deps
+        run: pnpm i
+
+      - name: Create Release Pull Request or Publish to npm
+        id: changesets
+        uses: changesets/action@v1
+        with:
+          # This expects you to have a script called release which does a build for your packages and calls changeset publish
+          publish: pnpm run build && pnpm run changeset:publish
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          NPM_TOKEN: ${{ secrets.NPM_TOKEN }}
+
+      # TODO: send notifications?