release to npmjs

See #5, release log:

• 21dfdd7 by @yegor256: #5 https
• 1d9ff7a by @yegor256: #5 assets
• f728eee by @yegor256: #5 release to npmjs
• 10542f8 by @yegor256: #1 no pre

Released by Rultor 2.0-SNAPSHOT, see build log