env method rename

Author: mostafa6765

django_petra/env.py

@@ -2,7 +2,18 @@
 import os
 
 def load_env():
+    """Load environment variables from .env file."""
     load_dotenv()
 
-def getEnv(key, default=None):
+def get_env(key: str, default=None) -> str:
+    """
+    Retrieve environment variable value.
+    
+    Args:
+        key: The environment variable key
+        default: Default value if key is not found
+        
+    Returns:
+        The environment variable value or default if not found
+    """
     return os.getenv(key, default)