reWalls : Wallpapers from Reddit

<a href ="https://play.google.com/store/apps/details?id=com.bimsina.re_walls"><img src ="https://play.google.com/intl/en/badges/images/generic/en_badge_web_generic.png"></a>

Initial code and design inspiration from Chitr and RetroMusicPlayer.

What's been done?

• [x] Fetch Wallpapers From your Favorite subreddits.
• [x] Add your own subreddits.
• [x] Set Image as Wallpaper.
• [x] Download Image.
• [x] Switch between 3 themes in runtime.

What's left?

• Apply Lockscreen Wallpaper.
• Make the Wallpaper Apply method asynchronous.

If you would like to contribute , feel free and open a PR.