feat: add universities and restaurants (#4)

Features:
- Allow to search for individual resources by their name
- Add new resources and their handler: Universities, Restaurants
- Added new parameter to reverse output order

Reviewed-on: #4
Co-authored-by: bdoerfchen <git@bissendorf.co>
Co-committed-by: bdoerfchen <git@bissendorf.co>

model/resources/meals.go

@@ -55,9 +55,10 @@ type ingredient struct {
 	Additionals []string
 }
 
-func (d *Meal) Kind() string { return ResourceMeal }
-func (d *Meal) Name() string { return d.Title }
+func (d *Meal) Kind() string     { return ResourceMeal }
+func (d *Meal) ItemName() string { return d.Title }
 
+// Table output
 func (d *Meal) ColumnNames() []string { return []string{"Location", "Date", "Counter", "Price"} }
 func (d *Meal) Columns() []any {
 	return []any{d.Location, d.Date.Format(time.DateOnly), d.Counter, d.Prices["Studierende"]}