DOC: Update API

docs/api.md

@@ -8,42 +8,105 @@
 
 This page provides a detailed explanation of all public tstrait objects and functions.
 
-## Simulation functions
+## Summary
+
+### Simulation functions
 
 ```{eval-rst}
 .. autosummary::
-    :toctree: _api
 
-    sim_phenotype
-    sim_trait
-    sim_genetic
-    sim_env
+   sim_phenotype
+   sim_trait
+   sim_genetic
+   sim_env
 ```
 
 (effect_size_distribution)=
 
-## Effect size distributions
+### Effect size distributions
 
 ```{eval-rst}
 .. autosummary::
-    :toctree: _api
 
-    trait_model
-    TraitModel
-    TraitModelNormal
-    TraitModelT
-    TraitModelFixed
-    TraitModelExponential
-    TraitModelGamma
-    TraitModelMultivariateNormal
+   trait_model
+   TraitModel
+   TraitModelNormal
+   TraitModelT
+   TraitModelFixed
+   TraitModelExponential
+   TraitModelGamma
+   TraitModelMultivariateNormal
 ```
 
-## Result data classes
+### Result data classes
 
 ```{eval-rst}
 .. autosummary::
-    :toctree: _api
 
-    PhenotypeResult
-    GeneticResult
+   PhenotypeResult
+   GeneticResult
+```
+
+## Reference documentation
+
+### Simulation functions
+
+```{eval-rst}
+.. autofunction:: tstrait.sim_phenotype
+```
+
+```{eval-rst}
+.. autofunction:: tstrait.sim_trait
+```
+
+```{eval-rst}
+.. autofunction:: tstrait.sim_genetic
+```
+
+```{eval-rst}
+.. autofunction:: tstrait.sim_env
+```
+
+### Effect size distributions
+
+```{eval-rst}
+.. autofunction:: tstrait.trait_model
+```
+
+```{eval-rst}
+.. autoclass:: tstrait.TraitModel
+```
+
+```{eval-rst}
+.. autoclass:: tstrait.TraitModelNormal
+```
+
+```{eval-rst}
+.. autoclass:: tstrait.TraitModelT
+```
+
+```{eval-rst}
+.. autoclass:: tstrait.TraitModelFixed
+```
+
+```{eval-rst}
+.. autoclass:: tstrait.TraitModelExponential
+```
+
+```{eval-rst}
+.. autoclass:: tstrait.TraitModelGamma
+```
+
+```{eval-rst}
+.. autoclass:: tstrait.TraitModelMultivariateNormal
+```
+
+### Result data classes
+
+```{eval-rst}
+.. autoclass:: tstrait.PhenotypeResult
+```
+
+```{eval-rst}
+.. autoclass:: tstrait.GeneticResult
 ```