Restructure project layout for better CI/CD integration

- Flattened nested bootupd/bootupd/ structure to root level
- Moved all core project files to root directory
- Added proper Debian packaging structure (debian/ directory)
- Created build scripts and CI configuration
- Improved project organization for CI/CD tools
- All Rust source, tests, and configuration now at root level
- Added GitHub Actions workflow for automated testing
- Maintained all original functionality while improving structure

scripts/build.sh

@@ -0,0 +1,20 @@
+#!/bin/bash
+set -e
+
+echo "Building deb-bootupd..."
+
+# Clean previous builds
+cargo clean
+
+# Build the project
+cargo build --release
+
+# Run tests
+cargo test
+
+# Check code quality
+cargo clippy
+cargo fmt --check
+
+echo "Build completed successfully!"
+echo "Binary location: target/release/bootupd"