Allow running on FreeBSD 13.*, 14.* and 15.* (#1136)

* Allow running on FreeBSD 13.*, 14.* and 15.*

* Update code

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Co-authored-by: Arkadii Yakovets <[email protected]>

Author: einsibjarni

nettacker/core/app.py

@@ -66,7 +66,7 @@ def print_logo():
         log.reset_color()
 
     def check_dependencies(self):
-        if sys.platform not in {"darwin", "linux"}:
+        if sys.platform not in {"darwin", "freebsd13", "freebsd14", "freebsd15", "linux"}:
             die_failure(_("error_platform"))
 
         try: