Release v1.5.0, use upstream v1.5.0, and enable youtube plugins

- [#] update README

Release v1.1.1, with --plugin-br-to-newline to convert br to single n…

…ewline for GH

Release v1.1.0, now excluding control supported

Release v1.0.0, with html-to-markdown v1.4.0, using the EscapeMode op…

…tion

Release v0.2.2, publishing to central cloudsmith repo https://cloudsm…

…ith.io/~suntong/repos/repo/

Release v0.2.1, ready for Debian packaging