Added the context and redux for cart,wishlist,searchBar,pricefilter.

[ASHISH-JHA94]

Description

• This PR does the following:

  • Adds context for search functionality and price filtering.
  • Implements Redux for managing shopping cart and wishlist states.
  • Updates the navbar with wishlist and cart icons displaying item counts.
  • fixing the bug of login especially when someone refresh the page.
  • create the cart page,wishlist page and styled it.
  • connected frontend with backend
  • make the profile page and connect it with backend showing the data.
  • fixing some of the things in backend .
  • ensure everything working properly
  • added loader to show while fetching from database
  • made some of the page that is required -add the filter for category

- Now i have connectedd the frontend with backend and everything working properly i have save some random data to display the things ,you have to save something to view it .

I have tested everything it is working fine and have added context related to filter books on the basis of types of book.

Related Issues

fixes #135

Changes

List the detailed changes made in this PR.

• Added SearchBarContext for managing search functionality.
• Added PriceFilterContext for managing price filtering.
• Integrated Redux to manage the shopping cart and wishlist states.
• Updated Shop component to utilize contexts for filtering products.
• Styled PriceFilter component for improved user interface.
• Updated the navbar with wishlist and cart icons showing item counts and added hover effects.

Testing Instructions

Detailed instructions on how to test the changes. Include any setup needed and specific test cases.

1. Pull this branch.
2. Run npm install to install dependencies.
3. Run npm test to execute the test suite.
4. Verify that the search and price filtering functionalities work as expected.
5. Check that the wishlist and cart icons in the navbar display the correct item counts and have hover effects.
6. Ensure that the shopping cart and wishlist states are managed correctly using Redux.

Screenshots (if applicable)

Add any screenshots that help explain or visualize the changes.

this is the filter button will aplly on shop page while shopping.

Additional Context

Any additional context or information that reviewers should be aware of.

• This PR is based on the implementation of context and Redux to manage state more efficiently.

Checklist

Make sure to check off all the items before submitting. Mark with [x] if done.

• [x] I have performed a self-review of my code
• [x] I have commented my code, particularly in hard-to-understand areas
• [x] My changes generate no new warnings
• [x] I am working on this issue under GSSOC

[github-actions[bot]]

Thank you for submitting your pull request! 🙌 We'll review it as soon as possible. In the meantime, please ensure that your changes align with our CONTRIBUTING.md. If there are any specific instructions or feedback regarding your PR, we'll provide them here. Thanks again for your contribution! 😊

[ASHISH-JHA94]

@Trisha-tech you can merge this pull request now