Add Dockerfile and dist directory to fix Anchore workflow

Co-authored-by: parkcheolhong <111139476+parkcheolhong@users.noreply.github.com>

Author: Copilot

Dockerfile

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+# Minimal Dockerfile for desktop-tutorial repository
+# This allows the Anchore security scanning workflow to run successfully
+
+FROM alpine:latest
+
+# Add a label for documentation
+LABEL maintainer="desktop-tutorial"
+LABEL description="Minimal Docker image for GitHub Desktop tutorial repository"
+
+# Create a simple directory structure
+RUN mkdir -p /app
+
+# Set working directory
+WORKDIR /app
+
+# Add repository files
+COPY . .
+
+# Default command
+CMD ["/bin/sh"]

dist/README.md

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+# Placeholder for build artifacts