update changelog

CHANGELOG.md

@@ -4,6 +4,12 @@ Changelog
 New Features
 
 - Add ``use_signed_distance`` flag to ``PlasmaVesselDistance`` which will use a signed distance as the target, which is positive when the plasma is inside of the vessel surface and negative if the plasma is outside of the vessel surface, to allow optimizer to distinguish if the equilbrium surface exits the vessel surface and guard against it by targeting a positive signed distance.
+- Allow specification of Nyquist spectrum maximum modenumbers when using ``VMECIO.save`` to save a DESC .h5 file as a VMEC-format wout file
+
+Bug Fixes
+
+- Fixes a couple bugs that occur when savingand loading asymmetric equilibria as wout files
+
 
 v0.12.1
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