feat: add entry point for pyinstaller executable

fastanime/fastanime.py

@@ -0,0 +1,14 @@
+#!/usr/bin/env python3
+import os
+import sys
+
+# Add the application root directory to Python path
+if getattr(sys, "frozen", False):
+    application_path = os.path.dirname(sys.executable)
+    sys.path.insert(0, application_path)
+
+# Import and run the main application
+from fastanime import FastAnime
+
+if __name__ == "__main__":
+    FastAnime()