structure reference by topic

_pkgdown.yml

@@ -2,3 +2,33 @@ url: https://mindthegap-erc.github.io/StratPal/
 template:
   bootstrap: 5
 
+reference:
+- title: Available functions
+
+- subtitle: Trait evolution
+  desc: Simulate trait evolution
+  contents:
+  - stasis
+  - random_walk
+  - ornstein_uhlenbeck
+
+- subtitle: Event type data
+  desc: Simulate event type data (e.g., fossil location/ages, first/last occurrences)
+  contents:
+  - p3
+  - p3_var_rate
+  - rej_samp
+
+- subtitle: Ecology and taphonomy
+  desc: Ecological niche models and taphonomic effects
+  contents:
+  - apply_niche
+  - snd_niche
+  - bounded_niche
+  - apply_taphonomy
+  - thin
+
+- subtitle: Example data
+  desc: Example data from stratigraphic forward models
+  contents:
+  - scenarioA