Adds Ruby implementations for all algorithms and update UI tabs

[shivabhusal]

This PR adds Ruby implementations for all existing algorithms across sections including Sorting, Data Structures, Graphs, Linked Lists, Bit Manipulation, and Dynamic Programming.

Changes include:

• Added .rb versions of all algorithm files.
• Updated frontend Tabs in each section to include a Ruby tab alongside Python, JavaScript, Java, and previously C++.
• Tweaked component code to correctly display Ruby content and language highlighting.
• Ensured that all examples and tabs render correctly without breaking existing functionality.
• Changes base URL so that contributors can also deploy to their pages for preview
  • auto supports any repo(even main repo)

This improves multi-language support and allows users to view and run Ruby implementations for all algorithms.

Live Preview: https://shivabhusal.github.io/leetcode-cheatsheet/

Suggestion for reviewer: There are a lot of files changed so better to go through the file-explorer in left sidebar.

[jwl-7]

I will review this in a few days when I get back to my computer. Thank you for your contribution!

[jwl-7]

@shivabhusal great work!