Update Dockerfile to install Node.js and the Claude Code package

- Added installation of Node.js version 20 and the @anthropic-ai/claude-code package to the Docker image.
- Included curl in the package installation to facilitate the Node.js setup script.

Author: Gkrumbach07

components/runners/claude-code-runner/Dockerfile

@@ -6,7 +6,11 @@ WORKDIR /app
 
 RUN apt-get update && apt-get install -y \
     ca-certificates \
+    curl \
     git \
+    && curl -fsSL https://deb.nodesource.com/setup_20.x | bash - \
+    && apt-get install -y nodejs \
+    && npm install -g @anthropic-ai/claude-code \
     && rm -rf /var/lib/apt/lists/*
 
 # Install uv package manager