feat: added smsService and sendOtp

src/auth/entities/otp.entity.ts

@@ -0,0 +1,23 @@
+import { Column, Entity } from 'typeorm';
+import { BaseEntity } from 'src/common/entities/base.entity';
+import { OtpStatus } from '../enums/otp-status.enum';
+
+@Entity('otps')
+export class OTP extends BaseEntity {
+  @Column({ type: 'varchar', length: 6 })
+  code: string;
+
+  @Column({ type: 'timestamptz' })
+  expirationDate: Date;
+
+  @Column({type: 'enum', enum: OtpStatus, default: OtpStatus.PENDING})
+  status: OtpStatus;
+
+  @Column({ type: 'smallint', default: 0 })
+  numberOfTries: number;
+
+  @Column({
+    length: 11,
+  })
+  phoneNumber: string;
+}