docs: update title with emoji for Advent of Code 2022

Author: Flashky

README.md

@@ -1,4 +1,4 @@
-# Advent of Code 2022
+# 🎄 Advent of Code 2022
 
 [![Codacy Badge](https://app.codacy.com/project/badge/Grade/b0a6ffd92df74afcae4f24ab5e208edf)](https://app.codacy.com/gh/Flashky/advent-of-code-2022/dashboard?utm_source=gh&utm_medium=referral&utm_content=&utm_campaign=Badge_grade)
 [![Codacy Badge](https://app.codacy.com/project/badge/Coverage/b0a6ffd92df74afcae4f24ab5e208edf)](https://app.codacy.com/gh/Flashky/advent-of-code-2022/dashboard?utm_source=gh&utm_medium=referral&utm_content=&utm_campaign=Badge_coverage)
@@ -45,4 +45,4 @@ git clone https://github.com/Flashky/advent-of-code-2022.git --recurse-submodule
 
 ## About
 
-- [Advent of Code](https://adventofcode.com/2022/about)
+- [Advent of Code](https://adventofcode.com/2022/about)