From markdown to restructuredtext

[stop5]

• [x] Fork the repository and create your branch from master. based on master

• [x] Run the build.py and test.py scripts. Same output like master

• [x] If you are fixing something, add tests that fail in the current version and pass in yours.

• [x] If you're developing a new feature open an issue first to discuss it. Some features may be useful to you but harmful to others be it because of performance, new dependencies or different perspectives. Issue #138

• [x] Ensure the entire test suite is passing and overall performance is not degraded. good docs make the development faster

The last commit will contain the theme and similar options.