feat: support plugin tags

api/core/plugin/entities/plugin.py

@@ -76,6 +76,7 @@ class PluginDeclaration(BaseModel):
     created_at: datetime.datetime
     resource: PluginResourceRequirements
     plugins: Plugins
+    tags: list[str] = Field(default_factory=list)
     verified: bool = Field(default=False)
     tool: Optional[ToolProviderEntity] = None
     model: Optional[ProviderEntity] = None