always create empty __metadata__ file

Author: seebi

cimd/classes/context.py

@@ -51,7 +51,7 @@ def echo_info_table(
     def load_file(self) -> File:
         """Load metadata from path"""
         if not self.filename.exists():
-            return File()
+            self.filename.write_text(File().model_dump_json(exclude_none=True, indent=2))
         with self.filename.open("r") as file_reader:
             content = json.load(file_reader)
             return File(**content)