prototype

See #1, release log:

• 84a61dc by @yegor256: #1 cactoos 0.29.2
• 4126dbe by @yegor256: #1 HtStatus
• 4dff0a5 by @yegor256: #1 HtHeaders
• 2ab73bd by @yegor256: #1 Wire
• 45e66a2 by @yegor256: #1 HtBody
• b4f83ad by @yegor256: #1 HtHead
• 274fee0 by @yegor256: #1 skeleton
• 27d7b87 by @yegor256: #1 skeleton

Released by Rultor 1.67.2, see build log