Add comprehensive README.md for LeetCode solutions repository

[Copilot]

Overview

This PR adds a comprehensive README.md file to document the LeetCode solutions repository, making it more accessible and professional for visitors and contributors.

What's Changed

Created a new README.md file that includes:

📋 Complete Problem Catalog

• 17 LeetCode problems organized into 6 categories:
  • Array & Two Pointers (Two Sum, 3Sum, Container With Most Water, Product Except Self)
  • String Problems (Longest Substring, Longest Prefix, String to Integer, Largest 3-Digit)
  • Integer Operations (Reverse Integer, Palindrome Number, Roman conversions, Power checks)
  • Linked List (Add Two Numbers)
  • Binary Search & Sorting (Median of Two Sorted Arrays)
  • Dynamic Programming (Maximum Energy Boost)

📚 Documentation Features

• Problem Tables: Each problem includes direct LeetCode links, solution file names, difficulty levels, and descriptions
• Usage Guide: Step-by-step instructions for compiling and testing solutions
• Visual Studio Integration: Documentation for the existing .sln project files
• Code Examples: Sample code showing how to use the solutions
• Best Practices: Explanation of the solution approach and coding principles
• Resources: Links to LeetCode, C++ reference documentation, and STL guides

🎯 Benefits

• Makes the repository immediately understandable for new visitors
• Provides quick navigation to specific problem solutions
• Documents all 17 implemented solutions in one place
• Helps contributors understand the project structure
• Adds professional polish to the repository

The README follows GitHub markdown best practices with clear sections, tables, emoji indicators, and proper formatting for enhanced readability.

Original prompt

do the read me for this

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