Merge pull request #767 from rpatters1/RGP/add-xml-to-gitignore

update gitignore with xml and other music file extensions.

Author: rpatters1

.gitignore

@@ -8,9 +8,25 @@ jwluatagfile.xml
 SciLexer.dll
 jwlua64.fxtco
 
+*.png
+
 # ignore Finale files (used for testing)
 *.mus
 *.musx
+*.mxl
+*.musicxml
+
+# ignore MuseScore files (used for testing)
+*.mscz
+*.mscx
+*.mss
+audiosettings.json
+viewsettings.json
+container.xml
+
+# ignore Dorico files (used for testing)
+*.dorico
+*.doricolib
 
 # script_settings folder is for setting user-specific parameters
 # and should not be tracked in this repo