feat(volcanic-world): ✨ Add volcanic-themed world assets including textures, models, and configurations

Co-Authored-By: Lilith Autocommit <noreply@atlilith.com>

resources/worlds/volcanic_world/manifest.json

@@ -0,0 +1,14 @@
+{
+  "id": "volcanic_world",
+  "name": "Volcanic World",
+  "gravity": 1.2,
+  "atmosphere": "toxic_sulfuric",
+  "physics_features": {
+    "climate": true,
+    "ecology": false,
+    "hydrology": false
+  },
+  "subscribes_biomes": ["volcanic_world", "arid_world", "geological"],
+  "subscribes_substrates": ["substrates"],
+  "subscribes_events": ["volcanic", "seismic", "atmospheric"]
+}