changed contacts routes to typescript

backend/src/models/Contact.ts

@@ -0,0 +1,45 @@
+import {
+  Table,
+  Column,
+  CreatedAt,
+  UpdatedAt,
+  Model,
+  DataType,
+  PrimaryKey,
+  AutoIncrement,
+  AllowNull,
+  Unique,
+  Default
+} from "sequelize-typescript";
+
+@Table
+class Contact extends Model<Contact> {
+  @PrimaryKey
+  @AutoIncrement
+  @Column
+  id: number;
+
+  @Column(DataType.STRING)
+  name: string;
+
+  @AllowNull(false)
+  @Unique
+  @Column
+  number: string;
+
+  @AllowNull(false)
+  @Default("")
+  @Column
+  email: string;
+
+  @Column
+  profilePicUrl: string;
+
+  @CreatedAt
+  createdAt: Date;
+
+  @UpdatedAt
+  updatedAt: Date;
+}
+
+export default Contact;