bump version to 0.3.4

* updated dependencies and removed unused ones
* added flutter as a submodule for easier f-droid updates

android/app/build.gradle

@@ -82,3 +82,14 @@ dependencies {
     implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
     implementation 'org.jetbrains.kotlinx:kotlinx-coroutines-android:1.3.9'
 }
+
+ext.abiCodes = ["x86_64": 1, "armeabi-v7a": 2, "arm64-v8a": 3]
+import com.android.build.OutputFile
+android.applicationVariants.all { variant ->
+    variant.outputs.each { output ->
+        def abiVersionCode = project.ext.abiCodes.get(output.getFilter(OutputFile.ABI))
+            if (abiVersionCode != null) {
+                output.versionCodeOverride = variant.versionCode * 10 + abiVersionCode
+            }
+    }
+}

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

@@ -1 +1 @@
-Lyrics grabbr listens to your notifications and provides lyrics for the currently playing song.
+Lyrics grabbr provides lyrics for the currently playing song

pubspec.yaml

@@ -15,7 +15,7 @@ publish_to: 'none' # Remove this line if you wish to publish to pub.dev
 # In iOS, build-name is used as CFBundleShortVersionString while build-number used as CFBundleVersion.
 # Read more about iOS versioning at
 # https://developer.apple.com/library/archive/documentation/General/Reference/InfoPlistKeyReference/Articles/CoreFoundationKeys.html
-version: 0.3.3+2
+version: 0.3.4+3
 
 environment:
   sdk: ">=2.16.1 <3.0.0"