chore: update readme

Author: budchirp

.github/FUNDING.yml

@@ -0,0 +1 @@
+github: [budchirp]

README.md

@@ -1,12 +1,13 @@
-<h1 align="center">calcplusplus</h1>
-<h2 align="center">TUI calculator written in C++ using FTXUI</h2>
+<div align="center">
+    <h1>calcplusplus</h1>
+    <h2>TUI calculator written in C++ using FTXUI</h2>
+</div>
 
-<p align="center">
+<div align="center">
   <img alt="Stargazers" src="https://img.shields.io/github/stars/budchirp/calcplusplus?style=for-the-badge&colorA=0b1221&colorB=ff8e8e" />
   <img alt="Last commit" src="https://img.shields.io/github/last-commit/budchirp/calcplusplus?style=for-the-badge&colorA=0b1221&colorB=BDB0E4" />
   <img alt="Issues" src="https://img.shields.io/github/issues/budchirp/calcplusplus?style=for-the-badge&colorA=0b1221&colorB=FBC19D" />
-</p>
-
+</div>
 
 ## 💾 Getting started
 

src/main.cpp

@@ -47,8 +47,8 @@ int main() {
   expressionsInputOptions.multiline = false;
   Component expressionsInput = Input(&expression, "", expressionsInputOptions);
 
-  Component quitButton = Button(
-      "X", [&] { screen.Exit(); }, ButtonOption::Ascii());
+  Component quitButton =
+      Button("X", [&] { screen.Exit(); }, ButtonOption::Ascii());
 
   Component clearButton = Button(" C ", [&] {
     expression = "";