Android - Added separation for development/production builds (#43)

## Pull Request Description

Added a development build to so it's easier to develop alongside the
current release (Android only atm)

## Issue Being Fixed

Developing removing the actually installed fladder app

Issue Number: N/A

## Checklist

- [ ] If a new package was added, did you ensure it works for all
supported platforms? Is the package also well maintained?
- [ ] Did you add localization for any text? If yes, did you sort the
.arb file using ```arb_utils sort <INPUT_FILE>```?
- [ ] Check that any changes are related to the issue at hand.

Co-authored-by: PartyDonut <PartyDonut@users.noreply.github.com>

android/build.gradle

@@ -7,6 +7,10 @@ allprojects {
 
 rootProject.buildDir = '../build'
 
+buildscript {
+    ext.kotlin_version = '1.8.0'
+}
+
 //[Fixes AAPT: error: resource android:attr/lStar not found]
 subprojects {
     afterEvaluate { project ->