chore(repo): Add Claude Code settings with basic permissions (#222)

Adds .claude/settings.json to enable Claude Code with:
- Basic bash commands (find, ls, git, grep, mv)
- WebFetch access to GitHub and Sentry documentation sites

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>

Author: philipphofmann

.claude/settings.json

@@ -0,0 +1,34 @@
+{
+  "permissions": {
+    "allow": [
+      "Bash(find:*)",
+      "Bash(ls:*)",
+      "Bash(git:*)",
+      "Bash(git status:*)",
+      "Bash(git log:*)",
+      "Bash(git diff:*)",
+      "Bash(git show:*)",
+      "Bash(git branch:*)",
+      "Bash(git remote:*)",
+      "Bash(git tag:*)",
+      "Bash(git stash list:*)",
+      "Bash(git rev-parse:*)",
+      "Bash(gh pr view:*)",
+      "Bash(gh pr list:*)",
+      "Bash(gh pr checks:*)",
+      "Bash(gh pr diff:*)",
+      "Bash(gh issue view:*)",
+      "Bash(gh issue list:*)",
+      "Bash(gh run view:*)",
+      "Bash(gh run list:*)",
+      "Bash(gh run logs:*)",
+      "Bash(gh repo view:*)",
+      "WebFetch(domain:github.com)",
+      "WebFetch(domain:docs.sentry.io)",
+      "WebFetch(domain:develop.sentry.dev)",
+      "Bash(grep:*)",
+      "Bash(mv:*)"
+    ],
+    "deny": []
+  }
+}