feat(backend): ✨ rewrite mealplanner with simple api (#683)

* feat(backend): ✨ new meal-planner feature

* feat(frontend): ✨ new meal plan feature

* refactor(backend): ♻️ refactor base services classes and add mixins for crud

* feat(frontend): ✨ add UI/API for mealplanner

* feat(backend): ✨ add get_today and get_slice options for mealplanner

* test(backend): ✅ add and update group mealplanner tests

* fix(backend): 🐛 Fix recipe_id column type for PG

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

frontend/plugins/globals.ts

@@ -95,6 +95,7 @@ import {
   mdiFoodApple,
   mdiBeakerOutline,
   mdiArrowLeftBoldOutline,
+  mdiArrowRightBoldOutline,
 } from "@mdi/js";
 
 const icons = {
@@ -204,6 +205,9 @@ const icons = {
   admin: mdiAccountCog,
   group: mdiAccountGroup,
   accountPlusOutline: mdiAccountPlusOutline,
+
+  forward: mdiArrowRightBoldOutline,
+  back: mdiArrowLeftBoldOutline,
 };
 
 // eslint-disable-next-line no-empty-pattern