Add ignore achemso aux file acs-<tex filename>.bib

Ignore acs-*.bib, an aux file generated by \documentclass{achemso} or by \usepackage{achemso}

TeX.gitignore

@@ -36,6 +36,9 @@
 *.alg
 *.loa
 
+# achemso
+acs-*.bib
+
 # amsthm
 *.thm