chore: install claude code in ddev container for security reasons

.ddev/addon-metadata/claude-code/manifest.yaml

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+name: claude-code
+repository: /Users/fromme/Development/Misc/ddev-claude-code
+version: ""
+install_date: "2026-01-07T12:08:23+01:00"
+project_files:
+    - web-build/Dockerfile.claude-code
+    - commands/web/claude
+    - config.claude-code.yaml
+    - claude-code/.claude.json
+    - claude-code/.gitignore
+global_files: []
+removal_actions: []

.ddev/claude-code/.gitignore

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+#ddev-generated
+# Claude Code internal config
+.claude.json
+.claude/

.ddev/commands/web/claude

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+#ddev-generated
+#!/bin/bash
+
+## Description: Claude Code!
+## Usage: claude
+## Example: ddev claude [...]
+
+set -e
+
+claude $@

.ddev/config.claude-code.yaml

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+#ddev-generated
+hooks:
+  post-start:
+    - exec: ">> /var/www/html/.ddev/claude-code/.claude.json && ln -s /var/www/html/.ddev/claude-code/.claude.json ~/.claude.json"
+    - exec: "mkdir -p /var/www/html/.ddev/claude-code/.claude && ln -s /var/www/html/.ddev/claude-code/.claude ~/.claude"
+
+webimage_extra_packages:
+  - xdg-utils
+

.ddev/web-build/Dockerfile.claude-code

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+#ddev-generated
+
+RUN npm install -g @anthropic-ai/claude-code