Merge branch '2-create-minimal-playable-game' into 'master'

android/app/src/main/res/mipmap-hdpi/ic_launcher.png

android/app/src/main/res/mipmap-hdpi/launch_image.png

android/app/src/main/res/mipmap-mdpi/ic_launcher.png

android/app/src/main/res/mipmap-mdpi/launch_image.png

android/app/src/main/res/mipmap-xhdpi/ic_launcher.png

android/app/src/main/res/mipmap-xhdpi/launch_image.png

android/app/src/main/res/mipmap-xxhdpi/ic_launcher.png

android/app/src/main/res/mipmap-xxhdpi/launch_image.png

android/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png

android/app/src/main/res/mipmap-xxxhdpi/launch_image.png

android/gradle.properties

assets/skins/default_board.png

assets/skins/default_hole.png

assets/skins/default_peg.png

fastlane/metadata/android/en-US/changelogs/2.txt

fastlane/metadata/android/en-US/images/icon.png

fastlane/metadata/android/fr-FR/changelogs/2.txt

icons/build_game_icons.sh

icons/icon.svg

icons/skins/default/board.svg