feat: ✨ add bulk actions service and routes (WIP) (#747)

* feat(frontend): ✨ Group level recipe data management

* feat(backend): ✨ add bulk actions service and routes

Co-authored-by: Hayden <hay-kot@pm.me>

mealie/schema/recipe/recipe_bulk_actions.py

@@ -0,0 +1,40 @@
+import enum
+
+from fastapi_camelcase import CamelModel
+
+from . import CategoryBase, TagBase
+
+
+class ExportTypes(str, enum.Enum):
+    JSON = "json"
+
+
+class _ExportBase(CamelModel):
+    recipes: list[str]
+
+
+class ExportRecipes(_ExportBase):
+    export_type: ExportTypes = ExportTypes.JSON
+
+
+class AssignCategories(_ExportBase):
+    categories: list[CategoryBase]
+
+
+class AssignTags(_ExportBase):
+    tags: list[TagBase]
+
+
+class DeleteRecipes(_ExportBase):
+    pass
+
+
+class BulkActionError(CamelModel):
+    recipe: str
+    error: str
+
+
+class BulkActionsResponse(CamelModel):
+    success: bool
+    message: str
+    errors: list[BulkActionError] = []