Implemented email verification

data/user.ts

@@ -1,5 +1,5 @@
 import { User } from '@prisma/client'
-import { db } from '@/lib/db'
+import db from '@/lib/db'
 
 export const getUserByEmail = async (email: string): Promise<User | null> => {
   try {

data/verification-token.ts

@@ -1,4 +1,5 @@
-import { db } from '@/lib/db'
+import db from '@/lib/db'
+import { VerificationToken } from '@prisma/client'
 
 export const getVerificationTokenByToken = async (token: string) => {
   try {
@@ -8,7 +9,7 @@ export const getVerificationTokenByToken = async (token: string) => {
   }
 }
 
-export const getVerificationTokenByEmail = async (email: string) => {
+export const getVerificationTokenByEmail = async (email: string): Promise<VerificationToken | null> => {
   try {
     return await db.verificationToken.findFirst({ where: { email } })
   } catch {