Try add macos ci

Author: tt2468

.github/workflows/main.yml

@@ -54,3 +54,27 @@ jobs:
         with:
           name: obs-websocket-http-Ubuntu
           path: dist/obs-websocket-http*
+  macos-build:
+    name: 'macOS Latest'
+    runs-on: macos-latest
+    if: contains(github.event.head_commit.message, '[skip ci]') != true
+    steps:
+      - name: Checkout Repository
+        uses: actions/checkout@v2
+
+      - name: Install Python 3.9
+        uses: actions/setup-python@v2
+        with:
+          python-version: 3.9
+
+      - name: Install Python Prerequisites
+        run: pip install -r requirements.txt pyinstaller
+
+      - name: Run PyInstaller
+        run: pyinstaller main.py --onefile --name obs-websocket-http --icon data/irltk_icon.ico
+
+      - name: Upload Artifacts
+        uses: actions/upload-artifact@v2
+        with:
+          name: obs-websocket-http-MacOS
+          path: dist/obs-websocket-http*