Merge branch 'feature_add_ions' into feature_ring_break_softcore

Author: lohedges

src/BioSimSpace/Sandpit/Exscientia/Solvent/__init__.py

@@ -28,6 +28,8 @@
 .. autosummary::
     :toctree: generated/
 
+    addIons
+    ions
     solvate
     spc
     spce
@@ -117,4 +119,5 @@
 _sr.use_new_api()
 del _sr
 
+from ._ions import *
 from ._solvent import *