new entries in gitignore

Former-commit-id: 0077773a

.gitignore

@@ -8,4 +8,26 @@
 _site
 .sass-cache
 .jekyll-metadata
-Gemfile.lock
\ No newline at end of file
+Gemfile.lock
+index.html
+package-lock.json
+dist/
+public/
+node_modules/
+dist
+*.log
+.sass-cache
+.grunt
+.DS_Store
+yarn.lock
+stable/
+latest/
+Gruntfile.coffee
+!template/Gruntfile.coffee
+package.json
+!template/package.json
+20*/*/theme
+!./theme
+./theme/package.json
+__pycache__/
+contribute.egg-info/