Update LICENSE

Author: GearsAD

src/CloudGraphsDFG/LICENSE

@@ -2,7 +2,7 @@ Copyright (c) 2017-2020 NavAbility
 
 The Caesar.jl ecosystem, including DistributedFactorGraphs.jl, is 
 not licensed for hosted, webservice or cloud solutions (public or private). 
-Please contact NavAbitliy via email at <info@navability.io> for clarification 
+Please contact NavAbility via email at <info@navability.io> for clarification 
 or additional licensing options.
 NavAbility reserves all rights regarding, and to deny use of the software 
 for private or public, webservice or cloud use, offerings, development,