Add magnetic gradiometry forwards for prisms

choclo/prism/__init__.py

@@ -22,13 +22,34 @@
 from ._kernels import (
     kernel_e,
     kernel_ee,
+    kernel_eee,
+    kernel_een,
+    kernel_eeu,
     kernel_en,
+    kernel_enn,
+    kernel_enu,
     kernel_eu,
+    kernel_euu,
     kernel_n,
     kernel_nn,
+    kernel_nnn,
+    kernel_nnu,
     kernel_nu,
+    kernel_nuu,
     kernel_pot,
     kernel_u,
     kernel_uu,
+    kernel_uuu,
+)
+from ._magnetic import (
+    magnetic_e,
+    magnetic_ee,
+    magnetic_en,
+    magnetic_eu,
+    magnetic_field,
+    magnetic_n,
+    magnetic_nn,
+    magnetic_nu,
+    magnetic_u,
+    magnetic_uu,
 )
-from ._magnetic import magnetic_e, magnetic_field, magnetic_n, magnetic_u