feat: add group statistics on profile page

* resolve file not found error and add constants

* add group stats and storage functionality

* generate new types

* add statistics and storage cap graphs

* fix: add loadFood query param #1103

* refactor to flex view

frontend/api/class-interfaces/groups.ts

@@ -1,5 +1,6 @@
 import { BaseCRUDAPI } from "../_base";
 import { GroupInDB, UserOut } from "~/types/api-types/user";
+import { GroupStatistics, GroupStorage } from "~/types/api-types/group";
 
 const prefix = "/api";
 
@@ -11,6 +12,8 @@ const routes = {
   permissions: `${prefix}/groups/permissions`,
 
   preferences: `${prefix}/groups/preferences`,
+  statistics: `${prefix}/groups/statistics`,
+  storage: `${prefix}/groups/storage`,
 
   invitation: `${prefix}/groups/invitations`,
 
@@ -103,4 +106,12 @@ export class GroupAPI extends BaseCRUDAPI<GroupInDB, CreateGroup> {
     // TODO: This should probably be a patch request, which isn't offered by the API currently
     return await this.requests.put<Permissions, SetPermissions>(routes.permissions, payload);
   }
+
+  async statistics() {
+    return await this.requests.get<GroupStatistics>(routes.statistics);
+  }
+
+  async storage() {
+    return await this.requests.get<GroupStorage>(routes.storage);
+  }
 }