infra: add linting and formatting for js projects (#230)

* wip

* wip

* wip

* format

* wip(mobile): lint and format

* cleanup

* nits

* nits

* idiomatic react

* nit

* format all root files

js/desktop/src/lib/keyboard.ts

@@ -2,8 +2,8 @@ export function isTypingTarget(e: KeyboardEvent): boolean {
   const target = e.target as HTMLElement | null;
   if (!target) return false;
   return (
-    target.tagName === "INPUT" ||
-    target.tagName === "TEXTAREA" ||
+    target.tagName === 'INPUT' ||
+    target.tagName === 'TEXTAREA' ||
     target.isContentEditable
   );
 }