Prod-Test-LM

Summary by Bito

This PR adds multiple files: a Python script for Fibonacci sequence generation, a leap_year.py script for determining leap years with conditional checks for century/non-century years, and two Go files implementing an HTTP server with configurable endpoints. The server handles command-line arguments, registers URL handlers, and implements security through HTML escaping.

Unit tests added: False

Estimated effort to review (1-5, lower is better): 1