Fix build: Bundle schwab_scraper source and use local dependencies

schwab_scraper/__main__.py

@@ -0,0 +1,7 @@
+#!/usr/bin/env python3
+"""Main entry point for the schwab-morningstar-scraper package when run with python3 -m."""
+
+from .cli import main
+
+if __name__ == "__main__":
+    main()