Prepare for v6.1.0

Signed-off-by: Muntashir Al-Islam <[email protected]>

Cleanup unnecessary files

Signed-off-by: Muntashir Al-Islam <[email protected]>

Bump version to v5.8.5

Signed-off-by: Muntashir Al-Islam <[email protected]>

Update changelog

Signed-off-by: Muntashir Al-Islam <[email protected]>

Replace Retro Music with Metro

Prepare for v3.5.11

Change package names of new addititons

Add changelog for v3.5.9

Add fastlane for F-Droid

Preparing for release