Rename config to settings

tools/settings.ts

@@ -1,17 +1,17 @@
-export function loadConfig(path: string): Config | null {
+export function loadSettings(path: string): Settings | null {
   const item = localStorage.getItem(path);
   if (!item) {
     return null;
   }
 
   try {
-    return JSON.parse(item) as Config;
+    return JSON.parse(item) as Settings;
   } catch (e) {
     return null;
   }
 }
 
-export interface Config {
+export interface Settings {
   searchUrl: string;
 	searchBar: boolean,
 }