Add a list of external PyGMT resources (#1210)

Co-authored-by: Meghan Jones <[email protected]>
Co-authored-by: Wei Ji <[email protected]>

Author: 3 people

doc/external_resources.md

@@ -0,0 +1,21 @@
+# External Resources
+
+Below is a curated collection of external PyGMT resources.
+
+*To add your contribution to this collection, follow [these instructions](https://github.com/GenericMappingTools/pygmt/blob/master/CONTRIBUTING.md#editing-the-documentation)
+to submit a pull request with your recommended addition to the
+[External Resources file](https://github.com/GenericMappingTools/pygmt/blob/master/doc/external_resources.md).*
+
+---
+
+## Tutorials
+
+- [2021 PyGMT course at the UAF Geophysical Institute](https://github.com/liamtoney/gi-pygmt-2021) by Liam Toney
+- [Remote Online Sessions for Emerging Seismologists (ROSES): Unit 8 - PyGMT](https://www.iris.edu/hq/inclass/lesson/728) by Liam Toney
+- [PyGMT Tutorial in 2021](https://github.com/MIGG-NTU/PyGMT2021) by MIGG-NTU
+- [PyGMT Workshop at FOSS4G Oceania 2019](https://github.com/GenericMappingTools/foss4g2019oceania) by Wei Ji Leong
+
+## Examples from Publications and Posters
+
+- [GMT and PyGMT plotting examples](https://github.com/michaelgrund/GMT-plotting) by Michael Grund
+- [NZ Antarctic Science Conference 2021 poster](https://github.com/weiji14/nzasc2021) by Wei Ji Leong

doc/index.rst

@@ -21,7 +21,14 @@
     overview.rst
     install.rst
     tutorials/first_figure.rst
+
+.. toctree::
+    :maxdepth: 2
+    :hidden:
+    :caption: Examples
+
     gallery/index.rst
+    external_resources.md
 
 .. toctree::
     :maxdepth: 2