Bundle WebUI (#878)

* Bundle WebUI

* Include release workflow

.github/workflows/release.yml

@@ -47,6 +47,19 @@ jobs:
       run: |
         pio upgrade
 
+    - name: Pull web ui
+      uses: dsaltares/fetch-gh-release-asset@master
+      with:
+        repo: "meshtastic/meshtastic-web"
+        file: "build.tar"
+        target: "build.tar"
+        token: ${{ secrets.GITHUB_TOKEN }}
+
+    - name: Unpack web ui
+      run: |
+        tar -xf build.tar -C data/static
+        rm build.tar
+
     # Will be available in steps.version.outputs.version
     - name: Get version string
       run: echo "::set-output name=version::$(./bin/buildinfo.py long)"