Correcting schemas in database

schemas.py

@@ -1,5 +1,19 @@
 from pydantic import BaseModel
-from typing import Literal
 
 class SettingsUpdate(BaseModel):
-    overlay_theme: Literal['dark-purple', 'bright-green', 'minimal-light', 'hacker-green']
+    overlay_theme: str
+
+class CustomThemeBase(BaseModel):
+    name: str
+    css_content: str
+
+class CustomThemeCreate(CustomThemeBase):
+    pass
+
+class CustomTheme(CustomThemeBase):
+    id: int
+    owner_id: int
+
+    class Config:
+        # This allows the Pydantic model to be created from a SQLAlchemy ORM object
+        orm_mode = True