use tsconfig but avoid tsc errors for .js v2

[Josverl]

This is bit of a workaround to keep tcs typechecking on .js files without actually ever using tsc. ispiration from: https://stackoverflow.com/a/55484861/7909427

This avoids the errors that all .js files would be overwitten, while not actually transpiling the files and thus keeps the other eslint and tcs warnings :

[jakobrosenberg]

:tada: This PR is included in version 2.8.7 :tada:

The release is available on:

• Visual Studio Marketplace
• GitHub release

Your semantic-release bot :package::rocket: