docs: Move install instructions into the generated docs
The PowerShellSessionLexer within pygments has troubles parsing the
example as something valid, so let's revert to a generic one.
@@ -8,6 +8,7 @@ in real-world mesh optical networks. It is based on the Gaussian Noise Model.
.. toctree::
:maxdepth: 4
+ install
json
excel
model
