pages = [
        "Home" => "index.md",
        "Tutorials" => tutorials,
        "Problems" => "problems.md",
        "Solvers" => Any[
          "solvers/common.md",
          "solvers/koopman.md",
          "solvers/optimization.md",
          "solvers/symbolic_regression.md"
          ],
        "Basis" => "basis.md",
        "Solutions" => "solutions.md",
        "Utilities" => "utils.md",
        "Contributing" => "contributions.md",
        "Citing" => "citations.md"
        ]
