[doc] Added reference for CAISAR modelling language

doc/index.rst

@@ -33,6 +33,7 @@ This work has been partly supported by the `Confiance.ai`_ program.
    installation
    usage
    examples
+   interpretation
    contributing
    genindex
    CAISAR website <http://www.caisar-platform.com>

doc/interpretation.rst

@@ -16,7 +16,3 @@ Several theories available to use in any property file.
 * Vector
 * NeuralNetwork
 * Dataset
-
-
-
-