Merge pull request #50 from Ultimaker/CES-3045_cheetah_gcode_flavor

[CES-3045] Add Cheetah GCode flavor

Author: Frederic98

Charon/filetypes/GCodeFile.py

@@ -67,7 +67,7 @@ def parseHeader(stream: IO[bytes], *, prefix: str = "") -> Dict[str, Any]:
                 stream.seek(0)
 
             flavor = metadata.get("flavor", None)
-            if flavor == "Griffin":
+            if flavor in ("Griffin", "Cheetah"):
                 if metadata["header_version"] != "0.1":
                     raise InvalidHeaderException("Unsupported Griffin header version: {0}".format(metadata["header_version"]))
                 GCodeFile.__validateGriffinHeader(metadata)