refresh

See #25, release log:

• 8fc645a by @yegor256: #25 badge
• cf8b1ea by @rultor: Merge branch '__rultor'
• f930cc5 by @renovate[bot]: Update dependency org.apache.c...
• 1e8a958 by @renovate[bot]: Update dependency org.projectl...
• 9e4e3a3 by @yegor256: #25 up
• 121141a by @yegor256: rultor config refreshed
• e9df0f4 by @yegor256: github actions refreshed
• 13112e5 by @yegor256: .github/PULL_REQUEST_TEMPLATE....
• 9b46531 by @yegor256: .github/ISSUE_TEMPLATE.md remo...
• 6bf9910 by @yegor256: appveyor config removed
• 997e3c8 by @yegor256: travis config removed
• 0203306 by @yegor256: gha added
• fed809a by @yegor256: Merge pull request #22 from jc...
• 5f8417e by @renovate[bot]: Add renovate.json
• fe0c774 by @yegor256: openjdk7 removed
• eecacd7 by @yegor256: openjdk8 instead of oracle
• 592dc6f by @yegor256: fixed versions for rultor
• 365d437 by @yegor256: xcop and est fixed version in ...
• 4374aa2 by @yegor256: pdd fixed version in Travis
• 9d32703 by @yegor256: Ruby 2.6.0 in Travis
• and 99 more...

Released by Rultor 1.75.1, see build log

skin 1.4

See #11

Draft version

It's a draft version, criticism is very welcome