Add a release workflow to github CI

This will allow us to remove compiled files from the repository

Author: lovasoa

.github/workflows/release.yml

@@ -0,0 +1,49 @@
+on:
+  push:
+    # Sequence of patterns matched against refs/tags
+    tags:
+    - 'v*' # Push events to matching v*, i.e. v1.0, v20.15.10
+
+name: Upload Release Asset
+
+jobs:
+  build:
+    name: Upload Release Asset
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v1
+      - uses: mymindstorm/setup-emsdk@v1
+        with:
+          version: '1.38.47'
+      - name: install coffee
+        run: npm install --global coffeescript@1
+      - name: make
+        run: make
+      - uses: actions/setup-node@v1
+        with:
+          registry-url: 'https://npm.pkg.github.com'
+      - run: npm publish
+        env:
+          NODE_AUTH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+      - name: Create Release
+        id: create_release
+        uses: actions/[email protected]
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          tag_name: ${{ github.ref }}
+          release_name: Release ${{ github.ref }}
+          draft: false
+          prerelease: false
+      - name: zip artifacts
+        run: zip --junk-paths ./sqljs.zip dist/*
+      - name: Upload Release Asset
+        id: upload-release-asset
+        uses: actions/[email protected]
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          upload_url: ${{ steps.create_release.outputs.upload_url }} # This pulls from the CREATE RELEASE step above, referencing it's ID to get its outputs object, which include a `upload_url`. See this blog post for more info: https://jasonet.co/posts/new-features-of-github-actions/#passing-data-to-future-steps 
+          asset_path: ./sqljs.zip
+          asset_name: sqljs.zip
+          asset_content_type: application/zip