Remaining, to be handles separately:
bbb-html5 before-remove and after-install -- sip.nginx needs to be
handled in bbb-conf
bbb-freeswitch-core -- /tmp/vars xml, etc. -- not sure how to handle
... drop build artifacts from compiling mediasoup. This reduces package
size from ~ 54 MB to ~ 12 MB.
Additionally this drops the `npm rebuild` command from the after-install
script. It should not be necessary to recompile stuff during
installation. To ensure a clean `node_modules` directory, it will be
cleaned in the before-install script.
