Add ToursTable, update API documentation

software/src/data/models/bandModel.ts

@@ -0,0 +1,16 @@
+import { GenreModel } from "./genreModel"
+import { MemberModel } from "./memberModel"
+import { RatingModel } from "./ratingModel"
+
+export class BandModel {
+  id: Number
+  name: string
+  foundingYear: Number
+  descriptionEn: String
+  descriptionDe: String
+  images: Array<String>
+  logo: String
+  genre: GenreModel
+  ratings: Array<RatingModel>
+  members: Array<MemberModel>
+}