Moving interaction tutorial to v4 documentation

Author: erikvansebille

…e/examples_v3/tutorial_interaction.ipynb …uide/examples/tutorial_interaction.ipynbdocs/user_guide/examples_v3/tutorial_interaction.ipynb renamed to docs/user_guide/examples/tutorial_interaction.ipynb docs/user_guide/examples_v3/tutorial_interaction.ipynb renamed to docs/user_guide/examples/tutorial_interaction.ipynb

@@ -50,6 +50,7 @@ examples/tutorial_statuscodes.ipynb
 examples/tutorial_gsw_density.ipynb
 examples/tutorial_Argofloats.ipynb
 examples/tutorial_diffusion.ipynb
+examples/tutorial_interaction.ipynb
 ```
 
 ```{toctree}