FIX: Use relative url, not hardcoded localhost to load profile picture

src/frontend/components/profile-badge.tsx

@@ -8,7 +8,7 @@ export function ProfileBadge() {
     return (
         <div className="aboutMe sheet-background">
             <div className="profile-header">
-                <img src="http://localhost:3000/profile-picture.webp" alt="Caleb Braaten" className="profile-picture" />
+                <img src="/profile-picture.webp" alt="Caleb Braaten" className="profile-picture" />
                 <h3 className="profile-name">Caleb Braaten</h3>
             </div>
             <ul className="social-links">