[WIP] Add jbrowse-web build and publish workflow

.github/workflows/jbrowse-web.yml

@@ -0,0 +1,41 @@
+# Upload jbrowse-web release artifact to jbrowse-web tag
+on:
+  push:
+    tags:
+    - '@gmod/jbrowse-web*'
+
+name: Upload jbrowse-web artifacts
+
+jobs:
+  build:
+    name: upload_web
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions/setup-node@v1
+      - name: Install deps
+        run: yarn
+      - name: Build project
+        run: cd products/jbrowse-web && NODE_OPTIONS='--max-old-space-size=6500' yarn build
+      - name: Make zip
+        run: cd packages/jbrowse-web/build && zip -r jbrowse-web.zip .
+      - 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 jbrowse-web build
+        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 }} # 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: ./packages/jbrowse-web/build/jbrowse-web.zip
+          asset_name: jbrowse-web.zip
+          asset_content_type: application/zip