Added simple customer and address models

To be expanded

models/address.ts

@@ -0,0 +1,26 @@
+import {Entity, PrimaryGeneratedColumn, Column} from "typeorm";
+
+@Entity()
+export class Address {
+
+    @PrimaryGeneratedColumn()
+    id: number;
+
+    @Column()
+    street: string;
+
+    @Column()
+    housenumber: string;
+
+    @Column()
+    city: string;
+
+    @Column()
+    plz: string;
+
+    @Column()
+    state: string;
+
+    @Column()
+    country: string;
+}

models/customer.ts

@@ -0,0 +1,20 @@
+import {Entity, PrimaryGeneratedColumn, Column, JoinColumn} from "typeorm";
+import {Address} from "./Address";
+
+@Entity()
+export class Customer {
+
+    @PrimaryGeneratedColumn()
+    id: number;
+
+    @Column()
+    name: string;
+
+    @Column()
+    lastName: string;
+
+    @OneToOne(() => Address)
+    @JoinColumn
+    @Column()
+    invoiceAddress: Address;
+}