upd: pake env

Deskripsi:
- ganti app.json menjadi app.config.js agar bisa pake env
- membuat env
- ganti url pake env > api url, storage url, firebase database url, otp url

No Issues

constants/Colors.ts

@@ -1,8 +1,3 @@
-/**
- * Below are the colors that are used in the app. The colors are defined in the light and dark mode.
- * There are many other ways to style your app. For example, [Nativewind](https://www.nativewind.dev/), [Tamagui](https://tamagui.dev/), [unistyles](https://reactnativeunistyles.vercel.app), etc.
- */
-
 const tintColorLight = '#19345E';
 const tintColorDark = '#fff';