Add ToursTable, update API documentation

software/backend/models/acts/tour.model.ts

@@ -0,0 +1,24 @@
+import { BelongsTo, Column, ForeignKey, HasMany, Model, Table } from "sequelize-typescript";
+import { Band } from "./band.model";
+import { Show } from "./show.model";
+
+@Table({ timestamps: false })
+export class Tour extends Model {
+  @Column
+  name: String
+
+  @ForeignKey(() => Band)
+  bandId: Number
+
+  @Column
+  offered: Boolean
+
+
+  // Relations
+
+  @BelongsTo(() => Band)
+  band: Band
+
+  @HasMany(() => Show)
+  shows: Show[]
+}