Feat: Add Superbase authentication to Signup and SignIn form

[MehakGo]

Description

This pull request resolves #30 by implementing Supabase authentication for the sign-up and sign-in forms. It also includes custom client-side validation to improve the user experience.

Changes Made

• Supabase Integration: Integrated the Supabase client to handle user authentication.
• Sign-Up Form: The sign-up form now uses supabase.auth.signUp() to create new users.
• Sign-In Form: The sign-in form now uses supabase.auth.signInWithPassword() to authenticate existing users.
• Custom Validation: Added real-time validation for the email and password fields to provide immediate feedback to the user.

Important Note for the Repository Owner

I have not used real Supabase credentials in this pull request. The Supabase URL and anonymous key are currently placeholders in the .env.example file.

To make this feature work, you will need to:

1. Create a .env.local file in the thunder/frontend directory.

2. Add your actual Supabase project URL and anonymous key to the .env.local file, like this:

   VITE_SUPABASE_URL=your-project-url
   VITE_SUPABASE_ANON_KEY=your-anon-key
   

How to Test

1. Create and configure the .env.local file as described above.
2. Navigate to the /auth page.
3. Test the sign-up and sign-in forms with both valid and invalid data to verify that the validation

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[MehakGo]

@Muneerali199 I have add superbase authetication , please review it and let me know if you need any change in it

[Muneerali199]

hey @MehakGo can you some demo by screenshot or video

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Project	Deployment	Preview	Comments	Updated (UTC)
arcanecluster	Ready	Preview	Comment	Aug 26, 2025 0:23am

[MehakGo]

@Muneerali199 Sorry for so late response , as i dont add real Supabase credentials , so its not fully functional , so can you tell you want code ss or something else?