moved 'read_config' to storage.py and added 'write_config'

chatmastermind/storage.py

@@ -22,6 +22,17 @@ def read_file(fname: pathlib.Path, tags_only: bool = False) -> Dict[str, Any]:
                 "file": fname.name}
 
 
+def read_config(path: str) -> ConfigType:
+    with open(path, 'r') as f:
+        config = yaml.load(f, Loader=yaml.FullLoader)
+    return config
+
+
+def write_config(path: str, config: ConfigType) -> None:
+    with open(path, 'w') as f:
+        yaml.dump(config, f)
+
+
 def dump_data(data: Dict[str, Any]) -> str:
     with io.StringIO() as fd:
         fd.write(f'TAGS: {" ".join(data["tags"])}\n')