Investigate bundling node_modules

[robb-j]

It'd be nice to not rely on npmjs.com during install/runtime of the extension, from a very quick sketch:

# cd yaml.novaextension
tar -zcvf node_modules.tar.gz package.json package-lock.json node_modules

du -hs node*
# 18M	node_modules
# 3.3M	node_modules.tar.gz

Then the extension could untar the node_modules on startup and remove the tar (or rename to something like node_modules.tar.gz.bk so it knows not to do it again, but the tar is still there if needed. Alternatively it could update the package.json (and lock?) version(s) to that of the extension and only run the untar if the version has changed.

There could be a command to reinstall if required too, e.g. Extensions → YAML → Reinstall Server perhaps.

[robb-j]

Related to #28 and #18