feat:mongo url updated

Author: Nadeera3784

apps/backend/.example.env

@@ -1,13 +1,13 @@
 APP_NAME=Jobboard
 API_URL=http://127.0.0.1:3000/api/v1
-APP_JWT_KEY= 
+APP_JWT_KEY=e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855 
 APP_JWT_EXPIRES_IN=7d
 APP_PORT=3000
 APP_ENABLE_BRUTEFORCE_PROTECTION=true
 APP_ENABLE_2FA=false
 APP_ENV=development
 
-MONGODB_URI=mongodb://mongodb:27017/jobboard
+MONGODB_URI=mongodb://root:example@localhost:27017/jobboard?authSource=admin
 
 RESEND_KEY=
 MAIL_FROM=Acme <onboarding@resend.dev>