Add checkIfInstanceOf (LeetCode 2618) with TypeScript prototype chain analysis

- Add JavaScript and TypeScript implementations of Check if Object Instance of Class
  - Include checkIfInstanceOf function with primitive value support
  - Implement prototype chain traversal using isPrototypeOf()
  - Add type-safe strictCheckIfInstanceOf variant with type guard
  - Document V8 optimization strategies and performance considerations

- Add comprehensive documentation and visualizations
  - Include flowchart and data flow diagrams with Mermaid
  - Add detailed edge case analysis and FAQ section
  - Provide complexity analysis (O(d) time, O(1) space)
  - Include interactive React-based README visualization

Author: myoshi2891