Format aflow_prototypes.json and exclude it from codespell check in pre-commit (#3920)

* format aflow_prototypes.json

* ignore aflow json in pre-commit

Author: DanielYang59

.pre-commit-config.yaml

@@ -33,6 +33,7 @@ repos:
         stages: [ commit, commit-msg ]
         exclude_types: [ html ]
         additional_dependencies: [ tomli ] # needed to read pyproject.toml below py3.11
+        exclude: src/pymatgen/analysis/aflow_prototypes.json
 
   - repo: https://github.com/MarcoGorelli/cython-lint
     rev: v0.16.2