Release `0.30.0`

See #2343, release log:

• 098fc7d by @rultor: Merge branch '__rultor'
• a3f0bd8 by @volodya-lombrozo: feat(#2337): fix all the compl...
• d74a1a2 by @rultor: Merge branch '__rultor'
• 6932e60 by @maxonfjvipon: #1307 - forma
• a603401 by @maxonfjvipon: #2328 - indents + test
• 1342257 by @maxonfjvipon: #2328 - todo
• d13cad8 by @maxonfjvipon: #2328 - name to string
• 62a8737 by @maxonfjvipon: #2328 - to string
• 1f6009c by @maxonfjvipon: #2328 - override
• 9830f3e by @maxonfjvipon: #2328 - dot x2
• 30cbbb1 by @volodya-lombrozo: feat(#2337): Update jtcop vers...
• f6e6756 by @maxonfjvipon: #2328 - dot
• 8f9f53b by @maxonfjvipon: #2328 - without text
• 7c1d023 by @maxonfjvipon: #2328 - style
• 65296e9 by @maxonfjvipon: #2328 - default ctor + refacto...
• 8d9d86b by @maxonfjvipon: #1307 - description
• 45966fa by @maxonfjvipon: #2328 - braces
• 12fd7cd by @maxonfjvipon: #1307 - form
• b4a2f47 by @maxonfjvipon: #2328 - to string
• 4ab22c1 by @maxonfjvipon: #2328 - refactor
• and 528 more...

Released by Rultor 1.75.1, see build log