Added the new PyInstaller build script!

pyinstaller-build-script.py

@@ -0,0 +1,24 @@
+import os
+import subprocess
+
+def run_pyinstaller_build():
+    pyinstaller_command = [
+        "pyinstaller",
+        "--onefile",
+        "--windowed",
+        "--add-data", "icons;icons",
+        "--add-data", "background.png;.",
+        "--add-data", "background_popup.png;.",
+        "--icon=icons/app_icon.ico",
+        "main.py"
+    ]
+
+    try:
+        subprocess.run(pyinstaller_command, check=True)
+        print("Build completed successfully!")
+    except subprocess.CalledProcessError as e:
+        print(f"Build failed with error: {e}")
+        sys.exit(1)
+
+if __name__ == "__main__":
+    run_pyinstaller_build()