add attributes and ignore

.gitattributes

+*.psd filter=lfs diff=lfs merge=lfs -text
+*.mov filter=lfs diff=lfs merge=lfs -text
+*.mp4 filter=lfs diff=lfs merge=lfs -text
+*.pdf filter=lfs diff=lfs merge=lfs -text

.gitignore

+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/