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/external/stwbremen/restaurant.go

@@ -0,0 +1,35 @@
+package stwbremen
+
+type RestaurantList struct {
+	Items []string `json:"items"`
+}
+
+type Restaurant struct {
+	Title   string `json:"title"`
+	ID      string `json:"id"`
+	Image   string `json:"image"`
+	Address string `json:"address"`
+
+	OpeningHours
+}
+
+type OpeningHours struct {
+	OpeningTimes          []OpeningTime `json:"openingTimes"`
+	OffseasonOpeningTimes []OpeningTime `json:"offseasonOpeningTimes"`
+	OffseasonStart        DateOnly      `json:"offseasonStart"`
+	OffseasonEnd          DateOnly      `json:"offseasonEnd"`
+	ChangedTimes          []ChangedTime `json:"changedTimes"`
+}
+
+type OpeningTime struct {
+	Weekday     string   `json:"weekday"`
+	OpeningTime TimeOnly `json:"openingTime"`
+	ClosingTime TimeOnly `json:"closingTime"`
+}
+
+type ChangedTime struct {
+	StartDate   DateOnly `json:"startDate"`
+	EndDate     DateOnly `json:"endDate"`
+	OpeningTime TimeOnly `json:"openingTime"`
+	ClosingTime TimeOnly `json:"closingTime"`
+}