mkdocs: Add cross-linking object inventory for APIs

Now that the APIs have documentation websites with object inventories,
we can configure so proper cross-linking is done and we can easily
refer to API objects in the documentation.

Signed-off-by: Leandro Lucarella <[email protected]>

Author: llucax

mkdocs.yml

@@ -105,7 +105,9 @@ plugins:
           import:
             # See https://mkdocstrings.github.io/python/usage/#import for details
             - https://docs.python.org/3/objects.inv
+            - https://frequenz-floss.github.io/frequenz-api-common/v0.3/objects.inv
             - https://frequenz-floss.github.io/frequenz-channels-python/v0.14/objects.inv
+            - https://frequenz-floss.github.io/frequenz-api-microgrid/v0.15/objects.inv
             - https://grpc.github.io/grpc/python/objects.inv
             - https://networkx.org/documentation/stable/objects.inv
             - https://numpy.org/doc/stable/objects.inv