Add github actions build and easy build script

.github/workflows/build.yml

@@ -0,0 +1,37 @@
+name: Build ui-compiler.exe and optionally Build Assets
+
+on:
+ push:
+   tags:
+     - '*'
+
+jobs:
+  windows_build:
+    name: Windows Build
+    runs-on: windows-latest
+    steps:
+      # Download the repository
+      - uses: actions/checkout@v2
+
+      # Caching for Rust
+      - name: Cache rust builds
+        uses: Swatinem/rust-cache@v2
+
+      - name: Build ui-compiler.exe
+        run: cargo build
+
+      - name: Download and install dependencies, then build assets
+        run: python build.py github_actions
+
+      # Publish a release (tagged commits)
+      # For more info on options see: https://github.com/softprops/action-gh-release
+      - name: Release (tag)
+        uses: softprops/action-gh-release@v1
+        if: startsWith(github.ref, 'refs/tags/') # only publish tagged commits
+        with:
+          files: |
+            output/*.7z
+            target/debug/ui-compiler.exe
+          draft: true
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}