Add placeholder page for PySNT

Author: tferr

_pages/plugins/snt/pysnt.md

@@ -0,0 +1,13 @@
+---
+title: SNT › PySNT
+nav-links: true
+nav-title: PySNT
+artifact: org.morphonets:SNT
+icon: /media/icons/snt.png
+forum-tag: snt
+update-site: Neuroanatomy
+---
+
+[PySNT](https://pysnt.readthedocs.io/en/latest/) is a Python wrapper for SNT that enables direct integration with the Python software ecosystem, including NumPy, SciPy, scikit-image, and more.
+For details, see the [PySNT documentation  pate](https://pysnt.readthedocs.io/en/latest/).
+