Implement Form Validation at Frontend Login and Register

**How is the feature you adding to the App is related to the issue? Please describe.**
1.Name Field: Required
2. Password Field: Minimum Length: 8, Contains at least 1 special char, 1 number, 1 Capital Letter & 1 Small Letter
3. Email Field: Must be an Email
And show the appropriate error message.

**Describe the method/ package through which you have implemented the solution.**
Mention the details about the Package or the method you have used to overcome the issue.

And don't forget to ⭐ the repo!😁

Start at the frontend login and register entry points named in the issue and trace their name, password, and email fields. Confirm the required name, password complexity, and email rules, then verify that each invalid input shows an appropriate error message.

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