add missing comma

Author: TorkelE

docs/pages.jl

@@ -38,7 +38,7 @@ pages = Any[
         "steady_state_functionality/homotopy_continuation.md",
         "steady_state_functionality/nonlinear_solve.md",
         "steady_state_functionality/steady_state_stability_computation.md",        
-        "steady_state_functionality/bifurcation_diagrams.md"
+        "steady_state_functionality/bifurcation_diagrams.md",
         "steady_state_functionality/dynamical_systems.md"
     ],
     "Inverse Problems" => Any[