use directories for structure

node_modules/acorn-static-class-features/CHANGELOG.md

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+## 0.2.2 (2020-05-21)
+
+* Allow `arguments` usage in nested static methods
+* Allow numeric class element names
+
+## 0.2.1 (2020-04-25)
+
+* Mark as compatible with acorn v7
+* Use injected acorn instance if available
+* Uses `Object.getPrototypeOf` if available instead of `__proto__`
+
+## 0.2.0 (2019-02-09)
+
+* Require acorn >= 6.1.0
+
+## 0.1.1 (2018-11-06)
+
+* Adapt to changes in acorn 6.0.3
+
+## 0.1.0 (2018-09-14)
+
+Initial release