Fix config path

Use current working directory

xmo/__main__.py

@@ -8,12 +8,12 @@ from . import xmo
 
 def main():
     config = dict()
-    if os.path.isfile('config.yaml'):
+    config_path = os.path.join(os.getcwd(), 'config.yaml')
-        with open('config.yaml') as f:
+    if os.path.isfile(config_path):
+        with open(config_path) as f:
             config = yaml.safe_load(f)
     xmo.cli(default_map=config, _anyio_backend='asyncio')
 
 
 if __name__ == '__main__':
     main()
-