feat(proxy_server.py): adds working dynamo db support for key gen

litellm/proxy/db/base_client.py

@@ -0,0 +1,43 @@
+from typing import Any, Literal, List
+class CustomDB: 
+    """
+    Implements a base class that we expect any custom db implementation (e.g. DynamoDB) to follow
+    """
+
+    def __init__(self) -> None:
+        pass
+
+    def get_data(self, key: str, value: str, table_name: Literal["user", "key", "config"]):
+        """
+        Check if key valid
+        """
+        pass
+    
+    def insert_data(self, value: Any, table_name: Literal["user", "key", "config"]): 
+        """
+        For new key / user logic
+        """
+        pass
+
+    def update_data(self, key: str, value: Any, table_name: Literal["user", "key", "config"]): 
+        """
+        For cost tracking logic
+        """
+        pass
+
+    def delete_data(self, keys: List[str], table_name: Literal["user", "key", "config"]): 
+        """
+        For /key/delete endpoint s
+        """
+    
+    def connect(self, ):
+        """
+        For connecting to db and creating / updating any tables 
+        """ 
+        pass
+
+    def disconnect(self, ): 
+        """
+        For closing connection on server shutdown
+        """
+        pass