Add new packages

[freddii]

Development:
cudatext #https://www.fosshub.com/CudaText.html
diffuse #https://github.com/MightyCreak/diffuse (will be back in debian repo soon)
sublimetext #https://www.sublimetext.com

FileManagers:
doublecommander #in debian repo: doublecmd-common doublecmd-gtk doublecmd-plugins

Games:
blobby volley #in debian repo: blobby
itch.io #cd /tmp && wget --show-progress -O itch-setup http://nuts.itch.zone/download && chmod +x itch-setup && ./itch-setup
soccer #https://github.com/Wireframe-Magazine/Code-the-Classics/tree/master/soccer-master
warmux #in debian repo: warmux

Graphics:
easypaint #https://github.com/Gr1N/EasyPaint
natron #https://github.com/NatronGitHub/Natron/releases/latest

Messaging:
element(matrix) #https://packages.riot.im/debian/pool/main/e/element-desktop/
emojipicker #in debian repo: ibus-typing-booster
telegram #https://telegram.org/dl/desktop/linux
zulip #https://github.com/zulip/zulip-desktop/releases/latest

Screenshot Utilities:
flameshot #in debian repo: flameshot or: https://github.com/flameshot-org/flameshot/releases

Video:
exmplayer #https://github.com/rupeshs/ExMplayer (ppa:exmplayer-dev/exmplayer-qt5)
freetuxtv #in debian repo: freetuxtv or ppa:freetuxtv/freetuxtv
hypnotix #https://github.com/linuxmint/hypnotix/releases
minitube #https://flavio.tordini.org/files/minitube/minitube.deb