chore: Implement playstore CD

android/Gemfile

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+source "https://rubygems.org"
+
+gem "fastlane"

android/fastlane/Appfile

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+json_key_file("keys.json") # Path to the json secret file - Follow https://docs.fastlane.tools/actions/supply/#setup to get one
+package_name("chat.fluffy.fluffychat") # e.g. com.krausefx.app

android/fastlane/Fastfile

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+# This file contains the fastlane.tools configuration
+# You can find the documentation at https://docs.fastlane.tools
+#
+# For a list of all available actions, check out
+#
+#     https://docs.fastlane.tools/actions
+#
+# For a list of all available plugins, check out
+#
+#     https://docs.fastlane.tools/plugins/available-plugins
+#
+
+# Uncomment the line if you want fastlane to automatically update itself
+update_fastlane
+
+default_platform(:android)
+
+platform :android do
+  lane :set_build_code_internal do
+    versions = google_play_track_version_codes(
+        track: "internal",
+        json_key: "./keys.json"
+      )
+    last_version = versions[0].to_i
+    Dir.chdir("../..") do
+      re = /version:\s([0-9]*\.[0-9]*\.[0-9]*)\+[0-9]/i
+      config = File.read("./pubspec.yaml")
+      version_name = config.match(re).captures
+
+      subst = "version: #{version_name[0]}+#{last_version+1}"
+
+      result = config.gsub(re, subst)
+
+      File.open("./pubspec.yaml", 'w') { |file| file.write(result) }
+    end
+  end
+
+  lane :deploy_internal_test do
+    versions = google_play_track_version_codes(
+        track: "internal",
+        json_key: "./keys.json"
+      )
+    last_version = versions[0].to_i
+    upload_to_play_store(track: 'internal', aab: '../build/app/outputs/bundle/release/app-release.aab', version_code: "#{last_version+1}")
+  end
+
+  lane :deploy_release do
+    upload_to_play_store(track: 'internal', track_promote_to: "production", deactivate_on_promote: false, skip_upload_changelogs: true)
+  end
+end

android/fastlane/README.md

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+fastlane documentation
+================
+# Installation
+
+Make sure you have the latest version of the Xcode command line tools installed:
+
+```
+xcode-select --install
+```
+
+Install _fastlane_ using
+```
+[sudo] gem install fastlane -NV
+```
+or alternatively using `brew install fastlane`
+
+# Available Actions
+## Android
+### android set_build_code_beta
+```
+fastlane android set_build_code_beta
+```
+
+### android deploy_beta_test
+```
+fastlane android deploy_beta_test
+```
+
+### android deploy_release
+```
+fastlane android deploy_release
+```
+
+
+----
+
+This README.md is auto-generated and will be re-generated every time [fastlane](https://fastlane.tools) is run.
+More information about fastlane can be found on [fastlane.tools](https://fastlane.tools).
+The documentation of fastlane can be found on [docs.fastlane.tools](https://docs.fastlane.tools).

android/fastlane/metadata/android/en-US/changelogs/50 (0.22.1).txt

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+Check out https://gitlab.com/ChristianPauly/fluffychat-flutter/-/blob/main/CHANGELOG.md for the changelog.

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

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+FluffyChat is an open, nonprofit and cute matrix messenger app for Ubuntu Touch, Android and iOS.
+
+Open
+Opensource and open development where everyone can join.
+
+Nonprofit
+FluffyChat is donation funded.
+
+Cute ♥
+Cute design and many theme settings including a dark mode. 
+
+One-to-one and groupchats
+Unlimited groups and direct chats.
+
+Easy
+FluffyChat is made as simple to use as possible.
+
+Free
+Free to use for everyone without ads.
+
+Decentralized
+There is no "FluffyChat server" you are forced to use. Use the server you find trustworthy or host your own.
+
+Compatible
+Compatible with Riot, Fractal, Nekho and all matrix messengers.
+
+
+FluffyChat comes with a dream
+
+Imagine a world where everyone can choose the messenger they like and is still able to chat with all of their friends.
+A world where there are no companies spying on you when you send selfies to friends and lovers.
+And a world where apps are made for fluffyness and not for profit. ♥

android/fastlane/metadata/android/en-US/short_description.txt

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+Chat with your friends with FluffyChat.

android/fastlane/metadata/android/en-US/title.txt

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+FluffyChat

android/fastlane/report.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<testsuites>
+  <testsuite name="fastlane.lanes">
+    
+    
+    
+      
+      <testcase classname="fastlane.lanes" name="0: update_fastlane" time="0.094148">
+        
+      </testcase>
+    
+      
+      <testcase classname="fastlane.lanes" name="1: default_platform" time="0.000809">
+        
+      </testcase>
+    
+      
+      <testcase classname="fastlane.lanes" name="2: google_play_track_version_codes" time="1.408525">
+        
+      </testcase>
+    
+  </testsuite>
+</testsuites>