rewrite: Update data ORM.

Fix parsing bug in Update Query.
Fix parsing bug in Insert Query.

Add mapping interface to Model.
Implement OrderMixin, with ORDER and NULLS Enums.
Add `result` field to Query.

bot/data/models.py

@@ -1,4 +1,4 @@
-from typing import TypeVar, Type, Any, Optional, Generic, Union, Mapping
+from typing import TypeVar, Type, Optional, Generic, Union
 # from typing_extensions import Self
 from weakref import WeakValueDictionary
 from collections.abc import MutableMapping
@@ -170,6 +170,12 @@ class RowModel:
     def __init__(self, data):
         self.data = data
 
+    def __getitem__(self, key):
+        return self.data[key]
+
+    def __setitem__(self, key, value):
+        self.data[key] = value
+
     @classmethod
     def bind(cls, connector: Connector):
         if cls.table is None: