feat: add otp and hashing modules

src/modules/users/user.entity.ts

@@ -2,6 +2,7 @@ import {
   Column,
   CreateDateColumn,
   Entity,
+  Index,
   PrimaryGeneratedColumn,
   UpdateDateColumn,
 } from 'typeorm';
@@ -25,6 +26,7 @@ export class User {
   })
   lastName?: string;
 
+  @Index({ unique: true })
   @Column({
     type: 'varchar',
     length: 11,
@@ -37,6 +39,7 @@ export class User {
     type: 'varchar',
     length: 96,
     nullable: true,
+    select: false,
   })
   password?: string;