fix(header): fix header image import not showing on prod build

src/components/header.tsx

@@ -1,11 +1,10 @@
+import toxic_square from '../assets/toxic_square.png';
+
 export function Header() {
   return (
     <div className="fixed w-[90%] flex pt-8 justify-between items-center">
       <div className="flex items-center gap-1">
-        <img
-          src="src/assets/toxic_square.png"
-          className="w-[4rem] aspect-square"
-        />
+        <img src={toxic_square} className="w-[4rem] aspect-square" />
         <div className="flex flex-col text-left">
           <strong className="text-2xl">Team Toxic</strong>
         </div>