move to new doc structure

Author: TorkelE

docs/pages.jl

@@ -8,7 +8,7 @@ pages = Any[
     "Model Creation" => Any[
         "02_model_creation/01_dsl_description.md",
         # DSL - Advanced
-        "02_model_creation/03_programmatic_CRN_construction.md",
+        "02_model_creation/03_programmatic_modelling.md",
         "02_model_creation/04_constraint_equations.md",
         # Events.
         "02_model_creation/06_compositional_modeling.md",