Upgrades:
- purecss to 1.0.1
- paho-mqtt to 1.1.0
Fixes/content update:
- convert lines with tab indentation to space
- update alpine urls
- update copyright - use js to write the year
Visual/viability:
- move mqtt_status to below h1 as h2
- center table header text and use sentence case
- add build and home to the cross site menu
- move pkgs url left to elevate exposure