Auto-generate framework for Python API reference documentation (#1565)

Part of #1439 .

I added the public functions (the one that doesn't start with a "_") to
the documentation. Give some short description on some of them.

Author: Jingru923

docs/_quarto.yml

@@ -108,30 +108,9 @@ quartodoc:
   dir: reference/python
   title: Python API
   package: ribasim
-  sections:
-    - title: Model
-      desc: The Model class represents an entire Ribasim model.
-      contents:
-        - Model
-    - title: Edge
-      desc: The Edge database layer.
-      contents:
-        - EdgeTable
-    - title: Node types
-      desc: Available node types to model different situations.
-      contents:
-        - nodes.basin
-        - nodes.fractional_flow
-        - nodes.tabulated_rating_curve
-        - nodes.pump
-        - nodes.outlet
-        - nodes.user_demand
-        - nodes.level_boundary
-        - nodes.flow_boundary
-        - nodes.linear_resistance
-        - nodes.manning_resistance
-        - nodes.terminal
-        - nodes.discrete_control
-        - nodes.pid_control
-        - nodes.flow_demand
-        - nodes.level_demand
+  options:
+    include_inherited: true
+    include_empty: true
+    include_attributes: true
+    include_classes: true
+    include_functions: true

python/ribasim/ribasim/model.py

@@ -62,6 +62,8 @@
 
 
 class Model(FileModel):
+    """A model of inland water resources systems."""
+
     starttime: datetime.datetime
     endtime: datetime.datetime
     crs: str