Issue #391/#651 import MultiResult in toplevel openeo package

Author: soxofaan

docs/datacube_construction.rst

@@ -220,6 +220,8 @@ in a single entity that can be used to create or run batch jobs. For example:
 
 .. code-block:: python
 
+    from openeo import MultiResult
+
     cube1 = ...
     cube2 = ...
     multi_result = MultiResult([cube1, cube2])

openeo/__init__.py

@@ -18,6 +18,7 @@ class BaseOpenEoException(Exception):
 from openeo.rest.datacube import UDF, DataCube
 from openeo.rest.graph_building import collection_property
 from openeo.rest.job import BatchJob, RESTJob
+from openeo.rest.multiresult import MultiResult
 
 
 def client_version() -> str:

openeo/rest/multiresult.py

@@ -22,6 +22,8 @@ class MultiResult(FlatGraphableMixin):
 
     .. code-block:: python
 
+        from openeo import MultiResult
+
         cube1 = ...
         cube2 = ...
         multi_result = MultiResult([cube1, cube2])