Add eslint rule and fix as many issues as possible

frontend/src/pages/api/auth/Token.ts

@@ -1,15 +1,15 @@
 const token = async () =>
-  fetch('/api/v1/auth/token', {
-    method: 'POST',
+  fetch("/api/v1/auth/token", {
+    method: "POST",
     headers: {
-      'Content-Type': 'application/json'
+      "Content-Type": "application/json"
     },
-    credentials: 'include'
+    credentials: "include"
   }).then(async (res) => {
     if (res.status === 200) {
       return (await res.json()).token;
     }
-    console.log('Getting a new token failed');
+    console.log("Getting a new token failed");
     return undefined;
   });