Add *.sta (standalone packages) for TeX (#2484)

thiminhnhut · shiftkey · commit 825714ceda52 · 2017-11-29T12:00:43.000+11:00
diff --git a/TeX.gitignore b/TeX.gitignore
@@ -220,3 +220,6 @@ TSWLatexianTemp*
 
 # expex forward references with \gathertags
 *-tags.tex
+
+# standalone packages
+*.sta
