Added archive extensions to Global

Global/Archives.gitignore

@@ -0,0 +1,12 @@
+# it's better to unpack these files and commit the raw source
+# git has its own built in compression methods
+*.7z
+*.dmg
+*.gz
+*.iso
+*.jar
+*.rar
+*.tar
+*.tar.gz
+*.zip
+*.bzip