Update make.jl

Author: ChrisRackauckas

docs/make.jl

@@ -1,5 +1,7 @@
 using Documenter, DiffEqOperators
 
+include("pages.jl")
+
 makedocs(
     sitename="DiffEqOperators.jl",
     authors="Chris Rackauckas et al.",
@@ -11,23 +13,7 @@ makedocs(
                            assets=["assets/favicon.ico"],
                            canonical="https://diffeqoperators.sciml.ai/stable/"),
 
-    pages=[
-        "DiffEqOperators.jl: Linear operators for Scientific Machine Learning" => "index.md",
-        "Operator Tutorials" => [
-            "operator_tutorials/kdv.md"
-        ],
-        "Operators" => [
-            "operators/operator_overview.md",
-            "operators/derivative_operators.md",
-            "operators/vector_calculus_operators.md",
-            "operators/vector_jacobian_product.md",
-            "operators/jacobian_vector_product.md",
-            "operators/matrix_free_operators.md"
-        ],
-        "Nonlinear Derivatives" => [
-            "nonlinear_derivatives/nonlinear_diffusion.md"
-        ]  
-     ]
+    pages=pages
 )
 
 deploydocs(