Is your enhancement related to a problem? Please describe.

I often need to link to concrete che property to link it to someone. There is nice generated page in che docs with all properties https://www.eclipse.org/che/docs/che-7/installation-guide/advanced-configuration-options-for-the-che-se

This feature enables the ipsec backend for Flannel in the k3sup install command

Expected Behaviour

An additional flag to k3sup install should enable ipsec for Flannel as

Some prior art here:

https://github.com/puppeteer/examples/blob/master/verify_sw_caching.js
https://michaljanaszek.com/blog/test-website-performance-with-puppeteer/#cacheAndServiceWorker

I hope the official can add a new command to automatically generate RESTful API

With pages that contain iframes, such as codesandbox, we should be able to access the Apollo Client instance for an embedded iframe.