OpenAPI: Add overwrite option when registering an iceberg table

open-api/rest-catalog-open-api.py

@@ -502,6 +502,9 @@ class PlanStatus(BaseModel):
 class RegisterTableRequest(BaseModel):
     name: str
     metadata_location: str = Field(..., alias='metadata-location')
+    overwrite: Optional[bool] = Field(
+        False, description='Whether to overwrite table metadata if table already exists'
+    )
 
 
 class TokenType(BaseModel):

open-api/rest-catalog-open-api.yaml

@@ -3463,6 +3463,10 @@ components:
           type: string
         metadata-location:
           type: string
+        overwrite:
+          description: Whether to overwrite table metadata if table already exists
+          type: boolean
+          default: false
 
     CreateViewRequest:
       type: object