Improve links to specific species page

pages/species_index.md

@@ -0,0 +1,21 @@
+---
+title: Species
+description: species under consideration.
+background:
+  img: https://observation.org/photos/63570315.jpg
+  by:  AJ Laansma (licensed under http://creativecommons.org/licenses/by-nc-nd/4.0/)
+  href: https://bit.ly/3UwkD8u
+permalink: /species/
+---
+
+{:.alert .alert-warning}
+The source file for this page is [`pages/species.md`](https://github.com/inbo/craywatch/blob/main/pages/species.md?plain=1).
+
+We monitoren de volgende soorten:
+
+- [Faxonius limosus]({{ '/species/faxonius_limosus/' | relative_url }})
+- [Faxonius rusticus]({{ '/species/faxonius_rusticus/' | relative_url }})
+- [Faxonius virilis]({{ '/species/faxonius_virilis/' | relative_url }})
+- [Pacifastacus leniusculus]({{ '/species/pacifastacus_leniusculus/' | relative_url }})
+- [Procambarus clarkii]({{ '/species/procambarus_clarkii/' | relative_url }})
+- [Procambarus virginalis]({{ '/species/procambarus_virginalis/' | relative_url }})