Fix/add auto dpr support

[patrick-tolosa]

Brief Summary of Changes

This PR adds support for dpr_auo when using responsive in the Vue SDK.

What does this PR address?

• [X] Github issue (Add reference - #137 )
• [ ] Refactoring
• [ ] New feature
• [ ] Bug fix
• [ ] Adds more tests

Are tests included?

• [X] Yes
• [ ] No