feat(channels): add mark-read support and channel listing with unread counts#17

AlexanderMakarov wants to merge 4 commits intokfastov:mainkfastov/tgcli:mainfrom

AlexanderMakarov:feature/dump-channels-and-work-with-read-markAlexanderMakarov/tgcli:feature/dump-channels-and-work-with-read-markCopy head branch name to clipboard