deploy to production

See #9, release log:

• 3b1e885 by @yegor256: #9 less testing
• 7d08412 by @yegor256: #9 logo moved
• ef3e3ff by @yegor256: #9 typo
• c14366f by @yegor256: #9 tests added
• 75ecd77 by @yegor256: #9 typo
• 0d543ae by @yegor256: #9 images
• c67ef08 by @yegor256: #9 modules
• 93d4a2f by @yegor256: #9 sass
• a6a48b8 by @yegor256: #9 typo
• 5a0e38a by @yegor256: #9 typo
• 2c2dcf0 by @yegor256: #9 typo
• f6c49b1 by @yegor256: #9 github
• bca56b1 by @yegor256: #9 lock file
• f1e95ba by @yegor256: #9 polished, build is clean
• dad2cc8 by @yegor256: #9 start
• 390d3dc by @yegor256: start

Released by Rultor 1.70.6, see build log