fix(claude-plugins:base): require confirmation before editing markdown in finish skill

Remove Edit(*.md) and Write(*.md) from allowed-tools so the finish
skill prompts for user approval before modifying documentation files.

Author: kvnwolf

claude-plugins/base/skills/finish/SKILL.md

@@ -2,7 +2,7 @@
 name: finish
 description: Wrap up your work with documentation sync, commit, push, and pull request creation.
 disable-model-invocation: true
-allowed-tools: Bash(git diff *), Bash(git log *), Bash(git add *), Bash(git commit *), Edit(*.md), Write(*.md), Bash(git branch)
+allowed-tools: Bash(git diff *), Bash(git log *), Bash(git add *), Bash(git commit *), Bash(git branch)
 ---
 
 # Finish