publish execution statistics for website (#129)

Author: mmcky

lectures/_toc.yml

@@ -92,4 +92,5 @@
 - part: Other
   chapters:
     - file: troubleshooting
-    - file: zreferences
+    - file: zreferences
+    - file: status

lectures/status.md

@@ -0,0 +1,20 @@
+---
+jupytext:
+  text_representation:
+    extension: .md
+    format_name: myst
+kernelspec:
+  display_name: Python 3
+  language: python
+  name: python3
+---
+
+# Execution Statistics
+
+This table contains the latest execution statistics.
+
+```{nb-exec-table}
+```
+
+These lectures are built on `linux` instances through `github actions` so are
+executed using the following [hardware specifications](https://docs.github.com/en/actions/reference/specifications-for-github-hosted-runners#supported-runners-and-hardware-resources)