v1.5: Add login module and GPT selection feature

app/components/sidebar.tsx

@@ -3,7 +3,7 @@ import { useEffect, useRef } from "react";
 import styles from "./home.module.scss";
 
 import { IconButton } from "./button";
-// import SettingsIcon from "../icons/settings.svg";
+import SettingsIcon from "../icons/settings.svg";
 // import GithubIcon from "../icons/github.svg";
 import ChatGptIcon from "../icons/chatgpt.svg";
 import AddIcon from "../icons/add.svg";
@@ -168,15 +168,15 @@ export function SideBar(props: { className?: string }) {
             /> */}
           </div>
           <div className={styles["sidebar-action"]}>
-            {/* <Link to={Path.Settings}>
+            <Link to={Path.Settings}>
               <IconButton icon={<SettingsIcon />} shadow />
-            </Link> */}
+            </Link>
           </div>
-          <div className={styles["sidebar-action"]}>
-            {/* <a href={REPO_URL} target="_blank">
+          {/* <div className={styles["sidebar-action"]}>
+            <a href={REPO_URL} target="_blank">
               <IconButton icon={<GithubIcon />} shadow />
-            </a> */}
-          </div>
+            </a>
+          </div> */}
         </div>
         <div>
           <IconButton