chore: Rename App.tsx to FlagsPage.tsx for dev-server (#598)

* move app.tsx

* add ldcli to gitignore

Author: moribellamy

.gitignore

@@ -3,3 +3,4 @@ dist/
 *.log
 node_modules/
 devserver.db
+ldcli

internal/dev_server/ui/src/App.tsx internal/dev_server/ui/src/FlagsPage.tsxinternal/dev_server/ui/src/App.tsx renamed to internal/dev_server/ui/src/FlagsPage.tsx

@@ -1,6 +1,6 @@
 import React, { useEffect } from 'react';
 import ReactDOM from 'react-dom/client';
-import App from './App.tsx';
+import App from './FlagsPage.tsx';
 import { IconProvider } from './IconProvider.tsx';
 import { ToastContainer } from '@launchpad-ui/components';