fix: add -y flag to skills install command in docs

Agents can't interact with the interactive skill selector prompt.
The -y flag auto-selects all skills.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: jarrodwatts

README.md

@@ -198,7 +198,7 @@ agw-cli mcp-config --npx  # npx-based (no global install needed)
 The repo ships agent skills that teach AI agents how to use the CLI safely. Install them with:
 
 ```bash
-npx skills add https://github.com/Abstract-Foundation/agw-cli/tree/main/packages/agw-cli/skills
+npx skills add https://github.com/Abstract-Foundation/agw-cli/tree/main/packages/agw-cli/skills -y
 ```
 
 Available skills:

docs/guide/installation.md

@@ -66,5 +66,5 @@ The AGW repo ships agent Skills that teach the agent how to use the CLI safely a
 Install all AGW skills by default:
 
 ```bash
-npx skills add https://github.com/Abstract-Foundation/agw-cli/tree/main/packages/agw-cli/skills
+npx skills add https://github.com/Abstract-Foundation/agw-cli/tree/main/packages/agw-cli/skills -y
 ```