Merge pull request #3835 from overleaf/ho-mf-file-extension

add mf files as editable in editor

GitOrigin-RevId: b22d59af3fcd0c647cc436d6ac72130d8f29b4aa

services/web/config/settings.defaults.coffee

@@ -60,7 +60,8 @@ defaultTextExtensions = [
 	'ldf',
 	'rmd',
 	'lua',
-	'gv'
+	'gv',
+	'mf'
 ]
 
 parseTextExtensions = (extensions) ->