0.3.6-ufo

Added UFO coin https://ufobject.com/

$  sha256sum blockbook-ufo_0.3.6_amd64.deb 
2be6eda22d2d651c15ca2dc7cc55bc3a0738540943e9c0df4cc5df972232a4ba  blockbook-ufo_0.3.6_amd64.deb

$  sha256sum backend-ufo_0.18.1-1_amd64.deb 
0b966c23403c7496028334c4b4a9fec2edbf8951616b852f8b04a273fdbf3c41  backend-ufo_0.18.1-1_amd64.deb