refactor: Rename docusaurus command to docs

- Change command name from 'docusaurus' to 'docs'
- Update path handling for empty Docusaurus paths
- Adjust example usage in documentation

lib/web/docusaurus/README.md

@@ -15,16 +15,15 @@ For quick setup and development, use the hero command:
 
 ```bash
 # Start development server
-hero docusaurus -d -path /path/to/your/site
+hero docs -d -path /path/to/your/site
 
 # Build for production
-hero docusaurus -b -path /path/to/your/site
+hero docs -b -path /path/to/your/site
 
 # Build and publish
-hero docusaurus -bp -path /path/to/your/site
+hero docs -bp -path /path/to/your/site
 ```
 
-
 ### Example HeroScript
 
 ```heroscript