Update docs.

Author: shyuep

CHANGES.md

@@ -1,12 +1,17 @@
+---
+layout: default
+title: Change Log
+nav_order: 4
+---
+
 # Change log
 
+## v2023.7.20
 - Unreadable string concat ops to f-string by @janosh in https://github.com/materialsproject/pymatgen/pull/3162
 - Revert `mp-api<0.34.0` pin by @janosh in https://github.com/materialsproject/pymatgen/pull/3165
 - Fix CI error `"pdentries_test.csv"` not found by @janosh in https://github.com/materialsproject/pymatgen/pull/3168
 - Fix issues with labels by @stefsmeets in https://github.com/materialsproject/pymatgen/pull/3169
 
-**Full Changelog**: https://github.com/materialsproject/pymatgen/compare/v2023.7.17...v2023.7.20
-
 ## v2023.7.17
 - Cython 3.0 support.
 - PR #3157 from @mattmcdermott magnetic-analyzer-fix. Fixes bug briefly mentioned in #3070, where recent