DefinitionOfDone.md in sct-0.1.16

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 The Definition of a Done Code Review
 ====================================
 |          by _The Team_           |
 |---------------------------------:|
 
-- [ ] Approved (thumbs up) by three other team members (from different operating systems).
 - [ ] Verified if it worked on all operating systems.
+    - [ ] Windows
+    - [ ] Ubuntu
+    - [ ] MacOs
 - [ ] Verified if it solved the problem.
 - [ ] Verified if the help section is updated.
 - [ ] Verified if it complied with Ruby code standards.
 - [ ] Documentation is updated, 100% complete.
     - [ ] SCT documentation.