adding more apis to docs

docs/api.rst

@@ -10,4 +10,8 @@ API
     plotting
     ews_postprocessing
     met_processing
+    environmental_suitability
     source_gen
+    EpiModel
+    flagdir
+    AdvisoryBuilder

docs/index.rst

@@ -22,7 +22,10 @@ Welcome to the EWS documentation!
    plotting API <_autosummary/plotting>
    post processing API <_autosummary/ews_postprocessing>
    met processing API <_autosummary/met_processing>
+   env suit API <_autosummary/environmental_suitability>
    source gen API <_autosummary/source_gen>
+   epimodel API <_autosummary/EpiModel>
+   advisory API <_autosummary/AdvisoryBuilder>
 
 .. admonition:: Box thingy