Add a mobile otp authentication using twilio (JAVA Spring Boot)

[shivammm21]

Describe the bug
Twilio OTP authentication is not working. Users are not receiving the OTP on their registered mobile numbers, resulting in a failed login process.

To Reproduce
Steps to reproduce the behavior:

1. Go to the login page.
2. Enter the mobile number and click on 'Send OTP'.
3. Wait for the OTP SMS to arrive.
4. No OTP is received

Expected behavior
Users should receive an OTP SMS on their registered mobile numbers within a few seconds to proceed with the authentication.

Additional context

• The issue could be related to the Twilio configuration (SID/Auth Token) or incorrect mobile number formatting.
• Verified that Twilio credentials are correct, and the account is active with a valid phone number.
• Tried using different numbers but still no OTP received.