Update project overview description file infos

Author: mullicode

frontend/package.json

@@ -2,7 +2,7 @@
   "name": "employee-management-system-frontend",
   "displayName": "Employee Management System Frontend",
   "version": "1.1.0",
-  "author": "Son Nguyen",
+  "author": "Matthew Mullins",
   "license": "MIT",
   "repository": {
     "type": "git",

frontend/public/index.html

@@ -9,7 +9,7 @@
       name="description"
       content="An employee management app built with React.js and Java Spring Boot."
     />
-    <meta name="author" content="Son Nguyen" />
+    <meta name="author" content="Matthew Mullins" />
     <meta name="keywords" content="Employee Management App, React.js, Java Spring Boot" />
     <meta name="robots" content="index, follow" />
     <link rel="apple-touch-icon" href="%PUBLIC_URL%/apple-touch-icon.png" />

frontend/src/components/Footer.js

@@ -63,8 +63,8 @@ const Footer = () => {
             </Typography>
             <Typography variant="body2">
               Project Maintainer:{' '}
-              <Link href="https://github.com/hoangsonww" color="inherit" sx={{ textDecoration: 'underline', '&:hover': { color: '#f57c00' } }}>
-                Son Nguyen
+              <Link href="https://github.com/mullicode" color="inherit" sx={{ textDecoration: 'underline', '&:hover': { color: '#f57c00' } }}>
+                Matthew Mullins
               </Link>
             </Typography>
             <Typography variant="body2">