Merge pull request #90 from RosettaCommons/docs_fixes

Docs: Fixing outdated functions in the tutorial

Author: rclune

docs/tutorial/tools.rst

@@ -7,5 +7,5 @@ Example Usage
 -------------
 .. code-block:: python
 
-   from atomworks.io.utils.visualize import plot_structure
-   plot_structure(atom_array)
+   from atomworks.io.utils.visualize import view
+   view(atom_array)