feat: update piratar URL format to new

src/components/Navbar.jsx

@@ -71,7 +71,7 @@ const Navbar = () => {
                   <span className="head-heavy-2xs">{user.name}</span>
                   <div className="avatar avatar--2xs">
                     <img
-                      src={`https://a.pirati.cz/piratar/${user.username}.jpg`}
+                      src={`https://a.pirati.cz/piratar/200/${user.username}.jpg`}
                       alt="Avatar"
                     />
                   </div>

src/components/posts/Post.jsx

@@ -142,7 +142,7 @@ const Post = ({
   return (
     <div className={wrapperClassName} ref={ref}>
       <img
-        src={`https://a.pirati.cz/piratar/${author.username}.jpg`}
+        src={`https://a.pirati.cz/piratar/200/${author.username}.jpg`}
         className="w-8 h-8 lg:w-14 lg:h-14 rounded mr-3 object-cover"
         alt={author.name}
       />