new git ignore

.gitignore

@@ -1,16 +1,9 @@
-# See https://help.github.com/articles/ignoring-files for more about ignoring files.
-#
-# If you find yourself ignoring temporary files generated by your text editor
-# or operating system, you probably want to add a global ignore instead:
-#   git config --global core.excludesfile '~/.gitignore_global'
-
-# Ignore bundler config.
-/.bundle
-
-# Ignore the default SQLite database.
-/db/*.sqlite3
-/db/*.sqlite3-journal
-
-# Ignore all logfiles and tempfiles.
-/log/*.log
-/tmp
+.bundle
+db/*.sqlite3
+log/*.log
+tmp/
+.sass-cache/
+.DS_Store
+private_medias/
+public/public_medias
+public/assets