Update readme

Author: aaronik

README.md

@@ -12,13 +12,16 @@
     <img src="https://github.com/aaronik/treewalker.nvim/actions/workflows/test.yml/badge.svg" alt="build status">
     <img src="https://img.shields.io/github/issues/aaronik/treewalker.nvim/bug?label=bugs" alt="GitHub issues by-label">
     <img src="https://img.shields.io/github/issues-pr/aaronik/treewalker.nvim" alt="GitHub Pull Requests">
+    <h2>Move around your code in a syntax tree aware manner.</h2>
 </div>
 
 <br>
 
 ![A fast paced demo of Treewalker.nvim](https://github.com/user-attachments/assets/4d23af49-bd94-412a-bc8c-d546df6775df)
 
-### Move around your code in a syntax tree aware manner.
+<div align="center">
+    <h2>Move around your code in a syntax tree aware manner.</h2>
+</div>
 
 Treewalker uses neovim's native [Treesitter](https://github.com/tree-sitter/tree-sitter) under the hood for syntax tree awareness.
 It has no dependencies, and is meant to "just work". It's "batteries included", with minimal configuration.