case-sensitive services (IVS)

[PatMyron]

warning: the following paths have collided (e.g. case-sensitive paths
on a case-insensitive filesystem) and only one from the same
colliding group is in the working tree:

  'services/IVS.yml'
  'services/ivs.yml'

https://github.com/glassechidna/trackiam/blob/master/services/ivs.yml
https://github.com/glassechidna/trackiam/blob/master/services/IVS.yml
"The prefix and the action name are case insensitive"