feat(workflow): add release action

.github/actions/ci-checks/action.yml

@@ -0,0 +1,19 @@
+name: 'CI checks'
+
+runs:
+  using: 'composite'
+  steps:
+    - name: Build
+      run: pnpm build
+      shell: bash
+    - name: Typecheck
+      run: pnpm typecheck
+      shell: bash
+    - name: Install Playwright browsers
+      run: npx playwright install --with-deps
+    - name: Test React Flow
+      run: pnpm test:react
+      shell: bash
+    # - name: Test Svelte Flow
+    #   run: pnpm test:svelte
+    #   shell: bash

.github/actions/ci-setup/action.yml

@@ -0,0 +1,15 @@
+name: 'CI setup'
+
+runs:
+  using: 'composite'
+  steps:
+    - name: Setup pnpm
+      uses: pnpm/action-setup@v4
+    - name: Setup node.js
+      uses: actions/setup-node@v4
+      with:
+        node-version: 20.x
+        cache: 'pnpm'
+    - name: Install dependencies
+      run: pnpm install
+      shell: bash

.github/workflows/release.yml

@@ -0,0 +1,29 @@
+name: Release
+
+on:
+  push:
+    branches:
+      - main
+
+concurrency: ${{ github.workflow }}-${{ github.ref }}
+
+jobs:
+  release:
+    name: Release
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repo
+        uses: actions/checkout@v4
+      - uses: ./.github/actions/ci-setup
+      - uses: ./.github/actions/ci-checks
+
+      - name: Create release PR or publish to npm
+        id: changesets
+        uses: xyflow/changeset-action@v1
+        with:
+          publish: pnpm release
+          title: Release packages
+          commit: 'chore(packages): bump'
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          NPM_TOKEN: ${{ secrets.NPM_TOKEN }}