add validation and basic api && change design sidebar

app/component/uploadFile/index.js

@@ -42,6 +42,7 @@ function UploadFile({ image, setImage }) {
       <input
         type="file"
         ref={fileRef}
+        accept="image/*"
         className="contents"
         onChange={handleChange}
       />

app/globals.css

@@ -280,6 +280,10 @@ html {
   max-width: 100%;
 }
 
+.hover-sidebar .logout-btn {
+  max-width: 100% !important;
+}
+
 @media (max-width: 768px) {
   .res-field-account .MuiInputBase-input.MuiOutlinedInput-input {
     padding-top: 10px;