create GitHub action

Author: stuartthomas25

.github/workflows/main.yml

@@ -0,0 +1,14 @@
+name: PyInstaller Action
+uses: Martin005/pyinstaller-action@v1.2.0
+
+jobs:
+pyinstaller-build:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Create Executable
+        uses: sayyid5416/pyinstaller@v1
+        with:
+          python_ver: '3.11'
+          spec: 'JParty.spec'
+          requirements: 'requirements.txt'
+          upload_exe_with_name: 'JParty_linux'