Add usage with vue to documentation

**Is your feature request related to a problem? Please describe.**
I don't know how to use biotope element with vue.

**Describe the solution you'd like**
A clear and concise description of how to use biotope element in a vue project

The issue names no documentation file or entry point. Start by locating the repository's existing usage documentation and reviewing how biotope element is currently used, then document a clear Vue project example and verify that the instructions cover setup, import, and rendering.

Written by the indexing model from the issue text.