WIP: Add workflow for Qt for WebAssembly

.github/workflows/qt-wasm.yml

@@ -0,0 +1,57 @@
+name: Build for Qt for WebAssembly
+
+on:
+  push:
+    branches: [ master ]
+  pull_request:
+    branches: [ master ]
+
+jobs:
+  build:
+    runs-on: ubuntu-20.04
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+        with:
+          submodules: 'recursive'
+
+      - name: Setup cache
+        id: cache-system-libraries
+        uses: actions/cache@v2
+        with:
+          path: 'emsdk-cache'
+          key: 'emsdk-1.39.8'
+
+      - name: Install emscripten
+        uses: mymindstorm/setup-emsdk@v11
+        with:
+          version: 1.39.8
+          actions-cache-folder: 'emsdk-cache'
+
+      - name: Install Qt
+        uses: jurplel/install-qt-action@43ec12788e42f375acfcb2cec059edfb9572fbaa # v3
+        with:
+          version: '5.15.2'
+          host: 'linux'
+          target: 'desktop'
+          arch: 'wasm_32'
+          cache: true
+
+      - name: Build firebird
+        run: |
+          mkdir build
+          cd build
+          qmake ..
+          make -j4
+
+      - name: Upload zip
+        uses: actions/upload-artifact@v3
+        with:
+            name: firebird-emu-wasm
+            path: |
+              build/*.html
+              build/*.js
+              build/*.wasm
+              build/*.svg
+            if-no-files-found: error