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

tests/python/polytrope/runPolytrope.py

@@ -1,8 +1,18 @@
 from serif import config
 from serif.polytrope import PolySolver
+from serif.mfem import Matrix
+from serif.mfem import Operator
+from serif.mfem.forms import BilinearForm
 
 config.loadConfig('../../testsConfig.yaml')
 n = config.get("Tests:Poly:Index", 0.0)
 
 polytrope = PolySolver(n, 1)
-polytrope.solve()
+polytrope.solve()
+theta = polytrope.get_theta()
+print(theta)
+
+FESpace = theta.FESpace()
+print(FESpace)
+
+print(theta.as_numpy())