Indent pre- and post-install shell scripts in docs.

docs/source/_ext/add_dependencies.py

@@ -55,7 +55,12 @@ class IntegrationEnricher:
 
     @staticmethod
     def _shellify(title: str, cmd: str) -> str:
-        return f'**{title}**\n\n' + '.. code-block:: bash\n\n\t' + cmd + '\n\n'
+        return (
+            f'**{title}**\n\n'
+            + '.. code-block:: bash\n\n'
+            + tw.indent(cmd, '\t')
+            + '\n\n'
+        )
 
     @classmethod
     def add_install_deps(

platypush/plugins/assistant/google/__init__.py

@@ -56,8 +56,9 @@ class AssistantGooglePlugin(AssistantPlugin, RunnablePlugin):
 
     .. note:: Since the Google Assistant library hasn't been updated in several
         years, some of its dependencies are quite old and may break more recent
-        Python installations. Please refer to the comments in the [manifest
-        file](https://git.platypush.tech/platypush/platypush/src/branch/master/platypush/plugins/assistant/google/manifest.yaml)
+        Python installations. Please refer to the comments in the `manifest
+        file
+        <https://git.platypush.tech/platypush/platypush/src/branch/master/platypush/plugins/assistant/google/manifest.yaml>`_.
         for more information on how to install the required dependencies, if
         the automated ways fail.
     """