Update fastlane metadata

This includes the current screenshots on the Google Play Store. These
are just the first screenshots and can improved quite a bit.

.gitignore

@@ -13,5 +13,3 @@ build/
 .project
 .classpath
 .settings/
-
-android/fastlane/

android/fastlane/metadata/android/en-GB/changelogs/4.txt

@@ -0,0 +1 @@
+GitJournal is ready for the world.

android/fastlane/metadata/android/en-GB/full_description.txt

@@ -1 +1,16 @@
-A Journaling App Built on top of Git
+GitJournal is a journaling, personal diary app built with privacy and transparency in mind. It stores all its notes in a standardised Markdown + YAML header format. The notes are stored in a hosted Git Repo of your choice - GitHub / GitLab / Any Custom-provider.
+
+Features -
+
+- Private by design
+- No Account Required
+- Open source
+- Beautiful interface focused on writing
+- Can easily be extended and integrated with other git tools
+- Git log clearly shows a history of changes
+- Built for developers
+- No Ads
+
+Never need to import / export your journal, as you always have control of the data. Apps may come and go, but your journal entries will always be with you.
+
+The app comes with a clean, easy to use interface designed to focus on just writing your journal entries without any distractions.