* doc: build first to avoid not found deps issues
* fix: Remove XMLHttpRequest usage
XMLHttpRequest API is deprecated and not available in browser extensions.
Replace the culprit dependency with a more modern one.
Some options are removed. The assumption is that nobody uses them. It can always be added if a developer wants the flexibility.
* test: simplify test
The test focus on testing DNS Discovery, there is no need to also have a nwaku local node for bootstrap.
Bootstrap on nwaku local node is used in many other tests.
* merge: master
* fix: CI
* use: js script instead of shell script to run precheck and mocha
* use `console.log` instead of `debug.log` for `run-tests.js`
