feat(ui): update profile page content

uniconnect-app/app/app/profile/page.tsx

@@ -25,7 +25,7 @@ export default function ProfilePage() {
                 src='/placeholder-avatar.jpg'
                 alt='Profile picture'
               />
-              <AvatarFallback>JD</AvatarFallback>
+              <AvatarFallback>PP</AvatarFallback>
             </Avatar>
             <Button className='mt-4'>Change Picture</Button>
           </CardContent>
@@ -39,11 +39,11 @@ export default function ProfilePage() {
             <div className='grid grid-cols-2 gap-4'>
               <div className='space-y-2'>
                 <label htmlFor='first-name'>First Name</label>
-                <Input id='first-name' defaultValue='John' />
+                <Input id='first-name' defaultValue='Peter' />
               </div>
               <div className='space-y-2'>
                 <label htmlFor='last-name'>Last Name</label>
-                <Input id='last-name' defaultValue='Doe' />
+                <Input id='last-name' defaultValue='Parker' />
               </div>
             </div>
             <div className='space-y-2'>
@@ -51,7 +51,7 @@ export default function ProfilePage() {
               <Input
                 id='email'
                 type='email'
-                defaultValue='john.doe@rhul.ac.uk'
+                defaultValue='peter.parker@rhul.ac.uk'
               />
             </div>
             <div className='space-y-2'>