llama coaster: ride the catacombs coaster cart on a new track (loop or grand circuit with drops, climbs, boosts, spin pads and jumps), 1-3 laps, three speeds, coins; offline cart simulation checks every jump and climb; roller coaster chapter in the strats docs

notes/README.md

@@ -29,6 +29,7 @@ Images used by the notes are in [`img/`](img/).
 |---|---|
 | [llamamod-app.md](llamamod-app.md) | build, CLI, data folder, registry, mod framework, exe patches, save games, `tools/apptest.py` |
 | [mod-arena.md](mod-arena.md) | Alligator Arena |
+| [mod-coaster.md](mod-coaster.md) | Llama Coaster (roller-coaster ride; how the original rides work) |
 | [mod-testworld.md](mod-testworld.md) | Test World and its gallery |
 | [mod-levels.md](mod-levels.md) | level projects as mods |
 | [mod-boottolevel.md](mod-boottolevel.md) | Boot to level |