Refactor/composables-folder (#787)

* move api clients and rename

* organize recipes composables

* rewrite useRecipeContext

* refactor(frontend): ♻️ abstract common ingredient functionality.

* feat(frontend): ✨ add scale, and back to recipe button + hide ingredients if none

* update regex to mach 11. instead of just 1.

* minor UX improvements

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

frontend/types/api-types/recipe.ts

@@ -91,6 +91,7 @@ export interface RecipeIngredient {
 export interface RecipeIngredientUnit {
   name?: string;
   description?: string;
+  fraction?: boolean;
 }
 export interface RecipeIngredientFood {
   name?: string;