Adding more files to ignore when using minitoc

As per http://tex.stackexchange.com/q/258515/828

TeX.gitignore

@@ -93,6 +93,8 @@ acs-*.bib
 
 # minitoc
 *.maf
+*.mlf
+*.mlt
 *.mtc
 *.mtc[0-9]
 *.mtc[1-9][0-9]