docs: Updated README.rst

* Changed documentation generating command
* Changed the testing command

Signed-off-by: Joe MacMahon <joe.macmahon@cern.ch>
docs: Partially wrote general documentation.

Signed-off-by: Joe MacMahon <joe.macmahon@cern.ch>
all: Added a configuration dict.

Signed-off-by: Joe MacMahon <joe.macmahon@cern.ch>
docs: Added config param description to docstring

Signed-off-by: Joe MacMahon <joe.macmahon@cern.ch>