Add Pobshell to the "Projects using cmd2" table in README (#1461)

* Update README.md

Add Pobshell project to table of "Projects using cmd2"

* Shorten Pobshell description as requested in PR review

* Fix dumb mistake in Pobshell addition to README projects section

I apologise

Author: pdalloz

README.md

@@ -161,6 +161,7 @@ reproduce the bug. At a minimum, please state the following:
 
 | Application Name                                                | Description                                                                                                                     | Organization or Author                                                |
 | --------------------------------------------------------------- | ------------------------------------------------------------------------------------------------------------------------------- | --------------------------------------------------------------------- |
+| [Pobshell](https://github.com/pdalloz/pobshell)                 | A Bash‑like shell for live Python objects: `cd`, `ls`, `cat`, `find` and _CLI piping_ for object code, str values & more        | [Peter Dalloz](https://www.linkedin.com/in/pdalloz)                   |
 | [CephFS Shell](https://github.com/ceph/ceph)                    | The Ceph File System, or CephFS, is a POSIX-compliant file system built on top of Ceph’s distributed object store               | [ceph](https://ceph.com/)                                             |
 | [garak](https://github.com/NVIDIA/garak)                        | LLM vulnerability scanner that checks if an LLM can be made to fail in a way we don't want                                      | [NVIDIA](https://github.com/NVIDIA)                                   |
 | [medusa](https://github.com/Ch0pin/medusa)                      | Binary instrumentation framework that that automates processes for the dynamic analysis of Android and iOS Applications         | [Ch0pin](https://github.com/Ch0pin)                                   |