Add comprehensive release infrastructure and tooling

- Add automated GitHub Actions workflow for multi-platform releases
- Add release script with version management and validation
- Add Docker container support with multi-stage builds
- Add comprehensive release documentation and templates
- Update Cargo.toml with complete package metadata
- Add command-line argument parsing with security options
- Update README with detailed configuration examples

🤖 Generated with [Claude Code](https://claude.ai/code)

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

Dockerfile

@@ -0,0 +1,77 @@
+# Multi-stage Docker build for docx-mcp
+FROM rust:1.75-slim as builder
+
+# Install system dependencies for building
+RUN apt-get update && apt-get install -y \
+    pkg-config \
+    libssl-dev \
+    libfontconfig1-dev \
+    libfreetype6-dev \
+    libjpeg-dev \
+    libpng-dev \
+    build-essential \
+    && rm -rf /var/lib/apt/lists/*
+
+# Set working directory
+WORKDIR /app
+
+# Copy manifests
+COPY Cargo.toml Cargo.lock ./
+COPY build.rs ./
+
+# Copy source code
+COPY src/ ./src/
+COPY benches/ ./benches/
+COPY tests/ ./tests/
+
+# Build the application
+RUN cargo build --release --all-features
+
+# Runtime stage
+FROM debian:bookworm-slim
+
+# Install runtime dependencies
+RUN apt-get update && apt-get install -y \
+    libssl3 \
+    libfontconfig1 \
+    libfreetype6 \
+    libjpeg62-turbo \
+    libpng16-16 \
+    ca-certificates \
+    libreoffice \
+    poppler-utils \
+    && rm -rf /var/lib/apt/lists/*
+
+# Create non-root user
+RUN groupadd -r docxmcp && useradd -r -g docxmcp -s /bin/bash -d /app docxmcp
+
+# Create app directory and set ownership
+WORKDIR /app
+RUN chown -R docxmcp:docxmcp /app
+
+# Copy the built binary from builder stage
+COPY --from=builder /app/target/release/docx-mcp /usr/local/bin/docx-mcp
+RUN chmod +x /usr/local/bin/docx-mcp
+
+# Copy additional files if needed
+COPY README.md LICENSE ./
+
+# Switch to non-root user
+USER docxmcp
+
+# Create temp directory for document processing
+RUN mkdir -p /tmp/docx-mcp && chmod 755 /tmp/docx-mcp
+
+# Expose default MCP port (though MCP typically uses stdin/stdout)
+EXPOSE 8080
+
+# Health check
+HEALTHCHECK --interval=30s --timeout=3s --start-period=5s --retries=3 \
+    CMD /usr/local/bin/docx-mcp --version || exit 1
+
+# Set environment variables
+ENV RUST_LOG=info
+ENV DOCX_MCP_TEMP_DIR=/tmp/docx-mcp
+
+# Default command
+CMD ["/usr/local/bin/docx-mcp"]