feat: fixed signin validation error and improved the ux

[VineeTagarwaL-code]

PR Fixes:

• #373

Resolves #373

• Added zod schema
• added shadcn form
• added loader for better ux
• fixed validation issues in the form
• clean code

VALIDATION FIX

LOADER AND UX IMPROVEMENT

Checklist before requesting a review

• [x] I have performed a self-review of my code
• [x] I assure there is no similar/duplicate pull request regarding same issue

[VineeTagarwaL-code]

@hkirat please let me know if there is any changes needed

[VineeTagarwaL-code]

remove strict validation for email and as @devsargam asked made the changes , Husky linted some files i didnt meant to changes so sorry for that @hkirat

[VineeTagarwaL-code]

@hkirat ?

[hkirat]

Sorry this is a good PR but closing because of conflicts