Addnew sheets (armor, weapons, malefica) and v13 support

node_modules/prettier-linter-helpers/README.md

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+# prettier-linter-helpers
+
+Helper functions for exposing prettier changes within linting tools.
+
+This package contains:
+
+- `showInvisibles(string)` - Replace invisible characters with ones you can see for
+  for easier diffing.
+- `generateDifferences(source, prettierSource)` - Generate an array of
+  differences between two strings.
+
+## Inspiration
+
+This code was extracted from [eslint-plugin-prettier v2.7.0](https://github.com/prettier/eslint-plugin-prettier/blob/v2.7.0/eslint-plugin-prettier.js#L85-L215)