Lights, buoys, and many more charted features

• Draw many more of the features already in the map data (#1)
• Draw unsurveyed water as a hazard stipple and make the style self-contained (#2)
• Place labels consistently around symbols and fix duplicated names (#3)
• Describe and draw lights the way charts do (#5)
• Fix cardinal and isolated danger buoy colours (#6)
• Keep sampled seabed depths out of the charted depth (#7)
• Colour untagged lateral marks by IALA region (#8)
• Draw floating piers as pontoons and stop disguising racons (#9)
• Ferry symbols, italic light text, racon labels, and other chart details (#10)
• Assess hazards against the mariner's safety depth (#11)

Chores:

• Preview every change and deploy with planet builds (#4)