added android app

Added android app to list of applications made using this.

Author: Merith-TK

README.md

@@ -158,6 +158,7 @@ DevDocs's own documentation is available on the [wiki](https://github.com/freeCo
 * [Doc Browser](https://github.com/qwfy/doc-browser) is a native Linux app that supports DevDocs docsets
 * [GNOME Application](https://github.com/hardpixel/devdocs-desktop) GTK3 application with search integrated in headerbar
 * [macOS Application](https://github.com/dteoh/devdocs-macos)
+* [Android Application](https://github.com/Merith-TK/devdocs_webapp_kotlin) Is a advanced webveiw with appcache enabled and fully working
 
 ## Copyright / License