feat: add settings page parser (#154)

* feat: add settings page parsers

* fix(AccountManager): small ts error

* feat: add `CopyLink` & `SettingsCheckbox`

* deps: remove “flat” dependency

src/parser/classes/ChannelOptions.ts

@@ -0,0 +1,24 @@
+import Text from './misc/Text';
+import Thumbnail from './misc/Thumbnail';
+import NavigationEndpoint from './NavigationEndpoint';
+
+import { YTNode } from '../helpers';
+
+class ChannelOptions extends YTNode {
+  static type = 'ChannelOptions';
+
+  avatar: Thumbnail[];
+  endpoint: NavigationEndpoint;
+  name: string;
+  links: Text[];
+
+  constructor(data: any) {
+    super();
+    this.avatar = Thumbnail.fromResponse(data.avatar);
+    this.endpoint = new NavigationEndpoint(data.avatarEndpoint);
+    this.name = data.name;
+    this.links = data.links.map((link: any) => new Text(link));
+  }
+}
+
+export default ChannelOptions;