🤖 chore(package.json): Declare module side-effects free.

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  - https://github.com/make-github-pseudonymous-again/rejuvenate/blob/9b50c2a1d7e9ab7b4bc9c9ff88892e98c5f62244/src/transforms/package.json:configure-side-effects.js
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Author: a-flying-potato

package.json

@@ -26,6 +26,7 @@
     "structure",
     "structures"
   ],
+  "sideEffects": false,
   "main": "lib/index.js",
   "files": [
     "lib"