Extract shared core from MCP tools, add CLI browser commands (#4768)

skyvern/cli/commands/__main__.py

@@ -0,0 +1,9 @@
+from dotenv import load_dotenv
+
+from skyvern.utils.env_paths import resolve_backend_env_path
+
+from . import cli_app
+
+if __name__ == "__main__":  # pragma: no cover - manual CLI invocation
+    load_dotenv(resolve_backend_env_path())
+    cli_app()