Add literature section to the docs page.

docs/src/solvers/mesh_adaptive_direct_search.md

@@ -60,3 +60,10 @@ The [`mesh_adaptive_direct_search`](@ref) solver requires the following function
 * A [`retract!`](@extref ManifoldsBase :doc:`retractions`)`(M, q, p, X)`; it is recommended to set the [`default_retraction_method`](@extref `ManifoldsBase.default_retraction_method-Tuple{AbstractManifold}`) to a favourite retraction. If this default is set, a `retraction_method=` does not have to be specified.
 * Within the default initialization [`rand`](@extref Base.rand-Tuple{AbstractManifold})`(M)` is used to generate the initial population
 * A [`vector_transport_to!`](@extref ManifoldsBase :doc:`vector_transports`)`M, Y, p, X, q)`; it is recommended to set the [`default_vector_transport_method`](@extref `ManifoldsBase.default_vector_transport_method-Tuple{AbstractManifold}`) to a favourite retraction. If this default is set, a `vector_transport_method=` does not have to be specified.
+
+## Literature
+
+```@bibliography
+Pages = ["mesh_adaptive_direct_search.md"]
+Canonical=false
+```