epm play: check for a script in prescription.d also, add --list-scripts for list prescription.d scripts

- epm repack Telegram: add telegram-desktop link
- epm-play: add --quiet support, rewrite help

- epm play: add Obsidian support
- epm play code: add version support (f.i. epm play code 1.42.1)
- distr_info: base distro name for ALT is alt
- distr_info: add support for ALT SPWorkstation

- epm repack code: move to /opt
- add support for ALTServer distro

- epm-full_upgrade: run commands separately
- epm play: refactor yandex-browser-codecs packing
- add support for epm play yandex-browser beta
- epm play: add --installed support, cleanup

- epm-play: fix description
- epm-download: implement for apt-get
- eepm: fix build: drop link to cerv

- epm repack: rename common.sh to generic.sh
- add patchelf to eepm-repack
- ci testsuite: install rpm-build-intro for build
- epm play: improve list and description out
- epm prescription: improve list