add remaining svg icons

[rsek]

these need to be opaque versions so that they render as intended regardless of the ground. ideally they're optimized for web use, too.

• Setting Truths
• Oracles
  • Creature
    • Environment
    • Basic Form
  • Factions
  • Location
  • Location Theme
  • vault zones (kinda abstract, but they do exist)
  • derelict zones
  • others??
• game mechanics
  • oracle overview
  • legacies
  • move outcomes
  • progress boxes (0-4 ticks)
  • others???
• assets
  • hex asset backgrounds
  • checkboxes, asset meter boxes
  • Command & Support Vehicles
    • alternate versions w/o backgrounds for use as tokens, etc
  • Companions
  • Deeds
  • Paths
• clocks