Onboarding frontend merge

Description

The login, welcome and register page is ready to use. An user can login if they are already registered in the system and of not then they can register in the signup page. When an user is logged in, they can also successfully log out of the profile page.

Changes

The following changes have been made in this pull request:

Enhanced form validation for name, email, and password fields.
Improved password strength checks with visual indicators.
Added a password visibility toggle feature for the password input field.
Updated CSS styles to improve the overall visual design.
Made changes to the structure of the form and page layout.
Updated documentation comments for clarity.
Added new variables and functions for form validation and interaction.
Created descriptive UI components for better user experience.
Improved responsiveness for different screens.
Added two buttons for user navigation: one for login and one for sign up for welcome page.
done tests on welcome, login and signup pages.

Related Issues

missing automated tests.

Checklist

[x] Code has been tested locally and passes all relevant tests.
[x] Documentation has been updated to reflect the changes, if applicable.
[x] Code follows the established coding style and guidelines of the project.
[x] All new and existing tests related to the changes have passed.
[x] Any necessary dependencies or new packages have been properly documented.
[x] Pull request title and description are clear and descriptive.
[x] Reviewers have been assigned to the pull request.
[x] Any potential security implications have been considered and addressed.
[x] Performance impact of the changes has been evaluated, if relevant.

Screenshots (if applicable)

welcome page: welcome

signup page: signup

Notes for Reviewers

Provide any additional information that could be useful for reviewers. This could include context about the problem being solved, implementation details, or anything else that might aid in the review process.

Educado-App / educado-frontend