Merge pull request #110 from phyloref/add-binder-note

This PR adds a note to the tutorials README to note that Binder cannot be used as per #102 (comment).

tutorials/README.md

@@ -8,8 +8,11 @@ files using [IJavascript] as a Node.js kernel. A [Makefile] is included that can
 to build Markdown and PDF versions of these tutorials, using [Jupyter nbconvert] and
 [pandoc]. We use the [eisvogel] LaTeX template as the template for our PDF.
 
+While these Jupyter Notebooks can be viewed in [Jupyter nbviewer], note that they cannot
+be opened with [Binder], since they use an unsupported IJavascript kernel (see [related issue]).
+
 Currently available tutorials:
-- [Introduction.ipynb] - An introduction to phyx.js ([Introduction.md], [Introduction.pdf])
+- [Introduction.ipynb] - An introduction to phyx.js ([Introduction.md], [Introduction.pdf], [Introduction in nbviewer])
 
 
   [Jupyter Notebook]: https://jupyter.org/
@@ -18,6 +21,10 @@ Currently available tutorials:
   [Jupyter nbconvert]: https://nbconvert.readthedocs.io/
   [pandoc]: https://pandoc.org/
   [eisvogel]: https://github.com/Wandmalfarbe/pandoc-latex-template/
+  [Jupyter nbviewer]: https://nbviewer.jupyter.org/github/phyloref/phyx.js/tree/master/tutorials/
+  [Binder]: https://mybinder.org/
+  [related issue]: https://github.com/phyloref/phyx.js/issues/105
   [Introduction.ipynb]: ./Introduction.ipynb
   [Introduction.md]: ./Introduction.md
   [Introduction.pdf]: ./Introduction.pdf
+  [Introduction in nbviewer]: https://nbviewer.jupyter.org/github/phyloref/phyx.js/tree/master/tutorials/Introduction.ipynb