perf(allocations): reduced overall allocations by 95%, increaseed jacobian applicatin by 2x

This commit uses global pre allocated work space to dramatically reduce memory usage and allocation time

generate_mesh.py

@@ -1,11 +1,27 @@
 from stroid.config import MeshConfig
 from stroid.IO import SaveStroidMesh
 from stroid import GenerateMesh
+import stroid
 
-cfg = MeshConfig()
-cfg.order = 4
-cfg.refinement_levels = 2
-print(cfg)
+cfg = MeshConfig(
+          core_mapping="multi_block",
+          order=4,
+          refinement_levels=2,
+          include_external_domain=True,
+          r_core=0.25,
+          r_star=1.0,
+          r_infinity=5.0,
+          flattening=0.0,
+          core_id=1,
+          envelope_id=2,
+          vacuum_id=3,
+          surface_bdr_id=1,
+          inf_bdr_id=2,
+          optimization_methods=stroid.config.OptimizationMethods(
+              tmop=False,  
+              smoothstep=True,
+          ),
+      )
 
 mesh = GenerateMesh(cfg)
 SaveStroidMesh(mesh, "sandbox.smesh")