Added an example on how to use this plugin with Nuxt.js

<!-- Thank you for contributing! --> ### Description Adds an example into the README to show how Nuxt.js can be used with this plugin. This helps less experienced developers to setup a tls connection. <!-- Please insert your description here and provide especially info about the "what" this PR is solving --> ### Additional context <!-- e.g. is there anything you'd like reviewers to focus on? --> The provided example is working perfectly fine, but does not align with vites "zero configuration" approach. --- ### What is the purpose of this pull request? <!-- (put an "X" next to an item) --> - [ ] Bug fix - [ ] New Feature - [X] Documentation update - [ ] Other