Multiarch architecture builder + crossbuilding

0.4.0

Added multiarch + crossbuilding

add ffmpeg

Add ffmpeg so jdownloader can should what format to download of VOD sites

Fix updatable binary

Jdownloader can now be updated without recreating the container thanks to tini (https://github.com/krallin/tini) implemented by AVK93 (https://github.com/AVK93)

Use docker instead of build.sh

Dockerfile can build image without build.sh

Autoupdatable binary

Fixes autoupdatable Jdownloader

Autoextractable archives

• Fixes zip archive autoextraction

Autoupdatable binary

This release should allow autoupdatable binay