docs: add scripts-bash hero banner to README

Ship the 1536x1024 ops-Hermes hero art at docs/assets/scripts-bash-hero.png
and embed it in README so the GitHub landing page shows the skill brand.

Author: Unix-Dev-Ops

README.md

@@ -7,13 +7,9 @@
 
 > **MCP gives Hermes tools. Skills give Hermes judgment. `scripts-bash` gives Hermes a standard for the bash that runs your stack.**
 
-Drop-in [Hermes Agent](https://github.com/NousResearch/hermes-agent) skill for **long-lived bash installer and manager scripts** - the kind you keep for years, not throwaway one-liners.
+**Current skill version: v4.2.0**
 
-<!-- Hero: add docs/assets/scripts-bash-hero.png (Toni-style cyberpunk Hermes + terminal HUD) then uncomment:
 ![scripts-bash hero - Hermes-grade bash installers](docs/assets/scripts-bash-hero.png)
--->
-
-**Current skill version: v4.2.0**
 
 ## Why this exists