docs: Simplify README and update repo description

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Co-Authored-By: Claude <[email protected]>

Author: arunsathiya

README.md

@@ -1,10 +1,4 @@
 [![Go Checks](https://github.com/arunsathiya/adventofcode/actions/workflows/go-tests.yml/badge.svg)](https://github.com/arunsathiya/adventofcode/actions/workflows/go-tests.yml)
 [![Python Checks](https://github.com/arunsathiya/adventofcode/actions/workflows/python-tests.yml/badge.svg)](https://github.com/arunsathiya/adventofcode/actions/workflows/python-tests.yml)
 
-# Advent Of Code
-
-My Advent Of Code solutions in golang.
-
-# How to run
-
-Navigate to each day folder and run `go run main.go`
+My Advent of Code solutions in Go and Python. Each day's solution is organized under `src/<year>/day<N>/` with separate directories for each language. To run a solution, navigate to the appropriate directory and run `go run main.go` or `python main.py`.