Adding Seat plan component and database tables

software/backend/models/locations/seat.model.ts

@@ -0,0 +1,18 @@
+import { BelongsTo, Column, ForeignKey, Model, Table } from "sequelize-typescript";
+import { SeatRow } from "./seatRow.model";
+
+@Table({ timestamps: false })
+export class Seat extends Model {
+  @Column
+  seatNr: number
+
+  @ForeignKey(() => SeatRow)
+  @Column
+  seatRowId: Number
+
+
+  // Relations
+
+  @BelongsTo(() => SeatRow)
+  seatRow: SeatRow
+}