feat(pythonInterface/mfem): added loads of mfem bindings to make interacting through python easy

src/python/mfem/Trampoline/PyMFEMTrampolines/Coefficient/PyCoefficient.h

@@ -0,0 +1,27 @@
+#include <pybind11/pybind11.h>
+#include <pybind11/stl.h>
+#include <pybind11/functional.h> // Needed for std::function
+#include <memory>
+
+#include "mfem.hpp"
+
+namespace py = pybind11;
+using namespace mfem;
+
+namespace serif::pybind {
+    // --- Trampoline for the abstract Coefficient base class ---
+    class PyCoefficient : public Coefficient {
+    public:
+        using Coefficient::Coefficient;
+        real_t Eval(ElementTransformation &T, const IntegrationPoint &ip) override;
+        void SetTime(real_t t) override;
+    };
+
+    // --- Trampoline for the abstract VectorCoefficient base class ---
+    class PyVectorCoefficient : public VectorCoefficient {
+    public:
+        using VectorCoefficient::VectorCoefficient;
+        void Eval(Vector &V, ElementTransformation &T, const IntegrationPoint &ip) override;
+        void SetTime(real_t t) override;
+    };
+}