Provide a helpful warning message when setting "None" or "none" names that are treated as strings

Author: ndejong

src/env_alias/lib/definitions.py

@@ -50,6 +50,10 @@ def load_definitions(self, definitions_file: Path) -> List[EnvAliasDefinition]:
             if not definition_item.get("name"):
                 definition_item["name"] = definition_key
 
+            if definition_item["name"] in ("none", "None"):
+                _name = definition_item.get("name")
+                logger.warning(f"Definition name is '{_name}' did you mean 'null' instead?")
+
             try:
                 definitions.append(EnvAliasDefinition(**definition_item))
             except TypeError as e: