Veith Zäch

Fix/296 multiple packages

2

Add package checks for the `apply-inheritance` plugin. Fixes #296

If you have components in your package which extends classes from different external packages and the external packages have classes with the same names and folder structures all members, attributes,......

fix: ignore JSON files on processing importsToScan

1

Fixes #328

Whe any third party file imports a .json file, `thirdPartyCEMs` is empty. **What happens:** - find-dependencies.js calls [`rsModuleLexer.parseAsync` ](https://github.com/open-wc/custom-elements-manifest/blob/df0795b2bdd41a8109fa531ce00edae025726c1a/packages/find-dependencies/src/find-dependencies.js#L86) with json as fileData. - `rsModuleLexer` throws then a `GenericFailure` error,...