microscope: ask for unit tests
please checkout `dev` branch right after you have a clone of pyecharts. Then start your engineering effort. When you are ready, please submit a PR
against `dev` branch too.
-If possible, please attach a screenshot on your contribution. It helps everyone to see your contribution.
+If your PR has code changes, please include unit tests. If possible, please attach a screenshot on your contribution. It helps everyone to see your contribution.
## Why the folder `pyecharts/templates/js` is empty?
