Creates new publish action (#2241)

When a tag is created and pushed to GitHub, this action will

- create the zip folder for the release
- creates the release
- adds the zip folder to the release
- publishes to npm

closes #2181

.github/workflows/publish.yaml

@@ -0,0 +1,48 @@
+name: publish
+
+on:
+  push:
+    tags:
+    - 'v*'
+
+jobs:
+  build:
+    name: Upload Release Asset
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v2
+      - name: Get tag
+        id: get_version
+        run: echo ::set-output name=VERSION::$(echo $GITHUB_REF | cut -d / -f 3)
+      - name: Create Zip Folder  
+        run: zip -r --junk-paths ${{ steps.get_version.outputs.VERSION }}.zip ./dist
+      - name: Create Release
+        id: create_release
+        uses: actions/create-release@v1
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          tag_name: ${{ github.ref }}
+          release_name: Release ${{ github.ref }}
+          draft: false
+          prerelease: false
+      - name: Upload Release Asset
+        id: upload-release-asset 
+        uses: actions/upload-release-asset@v1
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          upload_url: ${{ steps.create_release.outputs.upload_url }}
+          asset_path: ./${{ steps.get_version.outputs.VERSION }}.zip
+          asset_name: ${{ steps.get_version.outputs.VERSION }}.zip
+          asset_content_type: application/zip
+      - name: Setup Node
+        uses: actions/setup-node@v1
+        with:
+          node-version: 12
+          registry-url: https://registry.npmjs.org/
+      - name: publish npm
+        run: npm publish
+        env:
+          NODE_AUTH_TOKEN: ${{secrets.npm_token}}