add gso-run-cli

gso/main.py

 """The main module that runs :term:`GSO`."""
 
+import os
+
 from gso import init_cli_app, init_gso_app
 
 app = init_gso_app()
 
+
+def run_cli():
+    os.chdir(os.path.dirname(os.path.abspath(__file__)))
+    init_cli_app()
+
+
 if __name__ == "__main__":
     init_cli_app()

setup.py

@@ -20,4 +20,9 @@ setup(
         "celery==5.3.6",
     ],
     include_package_data=True,
+    entry_points={
+        "console_scripts": [
+            "gso-run-cli=gso.main:run_cli",
+        ],
+    },
 )