Add github actions

.github/workflows/npm-publish.yml

@@ -0,0 +1,21 @@
+# This workflow publishes a package to NPM
+
+name: Publish package
+
+on:
+  release:
+    types: [published]
+
+jobs:
+  publish-npm:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - uses: actions/setup-node@v3
+        with:
+          node-version: 16
+          registry-url: https://registry.npmjs.org
+      - run: npm ci
+      - run: npm publish --access public
+        env:
+          NODE_AUTH_TOKEN: ${{secrets.npm_token}}

.github/workflows/redeploy-docs.yml

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+name: Redeploy Docs
+on:
+  push:
+    branches: [master]
+
+jobs:
+  redeploy-docs:
+    uses: swup/.github/.github/workflows/redeploy-docs.yml@master
+    secrets: inherit

.github/workflows/version-update.yml

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+# This workflow bumps the package.json version and creates a PR
+
+name: Update package version
+
+on:
+  workflow_dispatch:
+    inputs:
+      segment:
+        description: 'Semver segment to update'
+        required: true
+        default: 'patch'
+        type: choice
+        options:
+        - minor
+        - patch
+
+jobs:
+  update-version:
+    name: Update package version
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions/setup-node@v2
+        with:
+          node-version: 16
+      - run: echo "Updating ${{ inputs.segment }} version"
+      - name: Update version
+        run: npm --no-git-tag-version version ${{ inputs.segment }}
+      - uses: peter-evans/create-pull-request@v4
+        with:
+          base: 'master'
+          branch: 'version/automated'
+          title: 'Update package version (automated)'
+          commit-message: 'Update package version'
+          body: 'Automated update to ${{ inputs.segment }} version'