Add a Training and Cert box to the homepage Community section (#1631)

Signed-off-by: Chris Abraham <[email protected]>

Author: cjyabraham

_resources/training-cert.md

@@ -0,0 +1,9 @@
+---
+title: PyTorch Training & Certification
+summary-home: Further your education and career goals
+summary: Further your education and career goals
+class: pytorch-resource
+link: https://training.linuxfoundation.org/full-catalog/?_sf_s=PyTorch
+order: 14
+featured-home: true
+---