Add support for type KIND for bech32-encoded entities naddr and nevent as specified in NIP-19. LNURL1DP68GURN8GHJ7EM9W3SKCCNE9E3K7MF0D3H82UNVWQHKWUN9V4HXGCTHDC6RZVGR8SW3G Signed-off-by: kernelkind <kernelkind@gmail.com> Reviewed-by: William Casarin <jb55@jb55.com> Signed-off-by: William Casarin <jb55@jb55.com>