[Feature]: Add Password Requirements to Signup Page for Enhanced Security

[ananas304]

Problem Statement The current signup page lacks password requirements such as a minimum length, inclusion of one uppercase letter, and one special character. This absence compromises the security of user accounts, as weak passwords can be easily exploited.

Proposed Solution Implement password requirements on the signup page to enhance security. These requirements should include:

1. A minimum password length of 8 characters.
2. At least one uppercase letter.
3. At least one special character (e.g., @, #, !, etc.). These rules will ensure stronger passwords and better protection for user accounts.

Alternatives Considered

• Allowing users to set any password without restrictions, but this approach leaves the system vulnerable.
• Using third-party authentication (OAuth) to avoid handling passwords directly.

Additional context Adding these password constraints will significantly enhance user security and is a standard practice in modern applications. No additional changes to the UI are necessary, but form validation messages will need to reflect the new requirements.

assign this to @ananas304 with appropriate tags such as gssoc-ext hacktoberfest-accepted

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