feat: add homepage & auth

hooks/useAuth.ts

@@ -0,0 +1,7 @@
+import { usePageContext } from "~/renderer/context";
+
+export const useAuth = () => {
+  const { user } = usePageContext();
+
+  return { user, isLoggedIn: user != null };
+};

hooks/useForm.ts

@@ -20,3 +20,7 @@ export const useForm = <T extends FieldValues>(
 
   return form;
 };
+
+export type useFormReturn<T extends FieldValues> = ReturnType<
+  typeof useForm<T>
+>;