adding part colour

app/schemas/part_colour.py

@@ -0,0 +1,18 @@
+from pydantic import BaseModel, ConfigDict
+
+
+class PartColourBase(BaseModel):
+    name: str
+
+
+class PartColourCreate(PartColourBase):
+    pass
+
+
+class PartColourUpdate(BaseModel):
+    name: str | None = None
+
+
+class PartColourRead(PartColourBase):
+    model_config = ConfigDict(from_attributes=True)
+    id: int