Type Hints Fixes:

• Added missing VMODL1 classes to the type hints
• Enum values now match the letter case of the values from typeinfo files
• Fixed: #1115 - Syntax error in vim/__init__pyi
• Fixed: #1117 - Type stubs: Writable properties are marked as read-only
• Fixed: #1118 - Type stubs: Missing vim.fault.* and vmodl.fault.* types
• Fixed: #1119 - Type stubs: Enum fields should also accept Literal[] str type
• Fixed: #1120 - Type stubs: Exception types must inherit from (Base)Exception