Adds License to README.md
Adds License to README.md

radare/radeco-lib,radare/radeco-lib,drewet/radeco,drewet/radeco,radare/radeco,radare/radeco-lib,radare/radeco,radare/radeco,some-username/radeco-lib,some-username/radeco-lib,some-username/radeco-lib,drewet/radeco