Convert README to rst.

It's a Python project after all.

README.md → README.rst

-# Waldorf
+Waldorf
+=======
 
 A Flask and Celery demo app.
 
-## Requirements
+Requirements
+------------
 
 -  Docker
 -  Docker Compose
 
-## Usage
+Usage
+-----
 
 Start the application and rebuild if necessary:
 
-```
+::
+
    docker-compose up --build
-```
 
 Stop the application:
 
-```
+::
+
    docker-compose down
-```
 
 Stop the application and delete volumes (starting from scratch):
 
-```
+::
+
    docker-compose down -v
-```
 
 Start a Python interperter inside the Flask web server container:
 
-```
+::
+
    docker-compose exec server python
-```
 
 Post a message to the Flask web server for the Celery worker to output:
 
-```
-curl -H "Content-Type: application/json" -X post -d '{"message": "foo"}' http://localhost:8080/log
-```
+::
 
+   curl -H "Content-Type: application/json" -X post -d '{"message": "foo"}' http://localhost:8080/log
 
-## License
+License
+-------
 
-This software is licensed under the MIT license (see `LICENSE.txt`).
+This software is licensed under the MIT license (see ``LICENSE.txt``).
 
-## Author Information
+Author Information
+------------------
 
-Nimrod Adar, [contact me](mailto:nimrod@shore.co.il) or visit my [website](
-https://www.shore.co.il/). Patches are welcome via [`git send-email`](
-http://git-scm.com/book/en/v2/Git-Commands-Email). The repository is located
-at: <https://www.shore.co.il/git/>.
+Nimrod Adar, `contact me <mailto:nimrod@shore.co.il>`__ or visit my
+`website <https://www.shore.co.il/>`__. Patches are welcome via
+```git send-email`` <http://git-scm.com/book/en/v2/Git-Commands-Email>`__.
+The repository is located at: https://www.shore.co.il/git/.