0.01: First try
0.02: Update custom.html for refactor; add README
0.03: Update for larger secondary timezone display (#610)
0.04: setUI, different screen sizes
0.05: Now update *on* the minute rather than every 15 secs
      Fix rendering of single extra timezone on Bangle.js 2
0.06: Minor code improvements
0.07: Minor code improvements
0.08: Add internationalisation of dates