Add new things to constellation

royalnet/constellation/README.md

@@ -3,3 +3,9 @@
 The part of `royalnet` that handles the webserver and webpages.
 
 It uses many features of [`starlette`](https://www.starlette.io).
+
+## Hierarchy
+
+- `constellation`
+    - `star`
+        - `shoot`

royalnet/constellation/star.py

@@ -23,14 +23,17 @@ class Star:
 
     @property
     def alchemy(self):
+        """A shortcut for the :class:`Alchemy` of the :class:`Constellation`."""
         return self.constellation.alchemy
 
     @property
     def Session(self):
+        """A shortcut for the alchemy :class:`Session` of the :class:`Constellation`."""
         return self.constellation.alchemy.Session
 
     @property
     def session_acm(self):
+        """A shortcut for the session :func:`asynccontextmanager` of the :class:`Constellation`."""
         return self.constellation.alchemy.session_acm