Coruscant datacrons

Unlocking datacrons on Coruscant:

1. Presence datacron (yellow), codex entry "Galactic History 08: Hyperspace Cannons"
2. Endurance datacron (green), codex entry "Galactic History 04: King Adas"
3. Mastery datacron (orange), codex entry "Galactic History 05: Rise of the Infinite Empire"
4. Mastery datacron (red), codex entry "Galactic History 07: The First Spaceflights"
5. Yellow Matrix Shard, codex entry "Galactic History 06: The Infinite Empire Collapses"