Fix allowed-tools format in power-apps plugin (#35) (#35)

- Change allowed-tools from JSON array syntax to comma-separated list
- Aligns with project convention defined in CLAUDE.md

Co-authored-by: Claude Opus 4.6 <noreply@anthropic.com>

Author: priyanshu92

plugins/power-apps/skills/genpage/SKILL.md

@@ -5,7 +5,7 @@ description: Creates, updates, and deploys Power Apps generative pages for model
 author: Microsoft Corporation
 argument-hint: "[optional: page description or 'deploy' or 'update']"
 user-invocable: true
-allowed-tools: ["Read", "Write", "Edit", "Bash", "Glob", "Grep", "WebFetch", "AskUserQuestion", "EnterPlanMode"]
+allowed-tools: Read, Write, Edit, Bash, Glob, Grep, WebFetch, AskUserQuestion, EnterPlanMode
 ---
 
 # Power Apps Generative Pages Builder