Enhanced README for Clarity and Engagement

[zeineb-b]

This pull request introduces several updates to the README file to enhance its clarity, usability, and accessibility. The changes are designed to make the repository more welcoming and informative, facilitating easier navigation and engagement for both new and existing users.

Key Changes Include:

1)Detailed Badge Descriptions: Added explanations for each badge to help users understand the build status, code coverage, and community engagement opportunities. 2)Educational Focus on Algorithm Implementations: Emphasized the educational purpose of the Java algorithm implementations, clarifying their role as learning tools and setting realistic expectations regarding their efficiency compared to the Java standard library. 3)Expanded Contribution Guidelines: Rewrote the contribution guidelines section to be more inviting and informative, clearly outlining how contributors can get involved and what the guidelines entail. 4)Improved Algorithm Directory Navigation: Updated the algorithms section to direct users to a comprehensive directory, making it easier to find and explore specific algorithms.

Purpose: These improvements aim to streamline the onboarding process for new contributors and enhance the learning experience for all users. By making the README clearer and more navigable, we hope to encourage more active participation and collaboration within the community.

• [x ] I have read CONTRIBUTING.md.
• [ x] This pull request is all my own work -- I have not plagiarized it.
• [ x] All filenames are in PascalCase.
• [ x] All functions and variable names follow Java naming conventions.
• [ x] All new algorithms have a URL in their comments that points to Wikipedia or other similar explanations.
• [ x] All new code is formatted with clang-format -i --style=file path/to/your/file.java

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 37.24%. Comparing base (7a42f68) to head (ba15e86).

Additional details and impacted files

@@             Coverage Diff              @@
##             master    #5117      +/-   ##
============================================
+ Coverage     37.23%   37.24%   +0.01%     
  Complexity     2343     2343              
============================================
  Files           517      517              
  Lines         15630    15630              
  Branches       2975     2975              
============================================
+ Hits           5820     5822       +2     
+ Misses         9522     9521       -1     
+ Partials        288      287       -1     

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[vil02]

I do not see much sense of these changes.

@BamaCharanChhandogi could you please have a look?