[ ] Upload static files to AWS S3
Web: https://family-tree-1996.herokuapp.com/
~$ python manage.py runserver
# Empty DB, if needed
~$ python manage.py emptyDB
# If update YAML file, need to load it first
~$ python manage.py loaddata <yaml_name> # <yaml_name> is under <app>/fixtures/
# If add images into raw_img folder, need to process it
~$ python manage.py processRawImg
# Extract info to JSON files under tree/treeData/ to be sent to front-end
~$ python manage.py genTreeStructure