Add Comprehensive Cirq Framework Cheatsheet with Detailed Documentation

[ShreyasNandanwar]

This issue proposes adding a new cheatsheet for the Cirq quantum computing framework to enhance our collection of developer resources. The cheatsheet provides a thorough yet accessible reference guide for developers working with quantum computing using Cirq.

Tasks

• Add the cheatsheet file
• Review and verify all code examples
• Add cross-references to other relevant cheatsheets
• Update the main README.md to include the new cheatsheet
• Add appropriate tags and categorization