moved JS code to JS file

js/user.js

@@ -0,0 +1,33 @@
+async function setuser() {
+  let user = await (await fetch("/api/getuser")).json();
+  let username
+  let bio
+  username = user["username"];
+  bio = user["bio"]
+  if(user["error"])username=user["error"];
+  if(user["error"])bio=user["error"];
+  if(!bio)bio="wow such empty"
+  document.getElementById("user").innerText = `User: ${username}`;
+  document.getElementById("bio").placeholder = decodeURIComponent(atob(bio));
+
+}
+
+async function bioChanger() {
+  document.getElementById("bio").disabled = !document.getElementById("bio").disabled
+  document.getElementById("changeBio").innerText = (document.getElementById("bio").disabled && "Change Bio") || "Submit"
+  if(document.getElementById("bio").disabled) {
+    document.querySelector('style').innerHTML = '::placeholder {color: white;} #bio {border: 0px solid black}'
+  }
+  else
+  {
+    document.querySelector('style').innerHTML = '::placeholder {color: black;} #bio {border: 2px solid gray}'
+  }
+  if(document.getElementById("bio").disabled) {
+    let response = await sendBio(document.getElementById("bio").value)
+    console.log(response);
+  }
+}
+
+async function sendBio(str) {
+  return await post("/api/setBio",{"Bio":str})
+}