Fixing a bug in the describe command I found while doing doc

bin/json-shell

@@ -225,7 +225,8 @@ class CmdProcessor(cmd.Cmd):
     description += ' is a '
     target = curr_node() if key is None else curr_node()[key]
     description += target.__class__.__name__
-    description += f' with {len(target)} elements'
+    if is_list_or_dict(target):
+      description += f' with {len(target)} elements'
     print(description)
 
   def complete_describe(self, text, line, start_index, end_index):

doc/json-shell.md

@@ -0,0 +1,35 @@
+# `template`
+
+## Purpose
+This is a template.  Please fill in the details and rock on.
+
+## Syntax
+```
+Syntax: template [--verbose] arg ...
+```
+### Positional arguments
+| Argument | Description | Default |
+| ------ | ----------- | ------- |
+| `arg1` | Description | Default |
+
+
+### Options
+| Option | Description | Default |
+| ------ | ----------- | ------- |
+|  `-v`  | Enable verbose debugging | Debugging is not enabled |
+
+## Example
+
+<img alt="Under Construction" height="133" src="images/under-construction.jpg" title="Coming Soon" width="200"/>
+<br><a href="https://www.freepik.com/free-vector/coming-soon-construction-yellow-background-design_8562867.htm#query=work%20in%20progress&position=49&from_view=keyword&track=ais">Image by starline</a> on Freepik
+
+```
+$ template
+This is a template.  Please fill in the details and rock on.
+$
+```
+
+## Notes
+
+- This is a template.  Please fill in the details and rock on.
+- This is a template.  Please fill in the details and rock on.