Adds a new section to the README detailing the usage of the `build_app.sh` script. This provides clear instructions for building the Android APK, iOS IPA, or both, enhancing developer onboarding for app compilation.
Adds a new section to the README to provide instructions on how to use the `version_and_changelog.sh` script. This helps users understand the process for incrementing the project version and generating the changelog.
Performs a comprehensive project rename from 'barcode_scanner' to 'e_scan' (or 'eScan' for user-facing labels). This update spans all relevant files, including:
- Application IDs and bundle identifiers for Android, iOS, macOS, and Linux.
- VS Code launch configurations.
- Dart package import paths.
- Project names and titles in `pubspec.yaml`, `README.md`, and platform-specific configurations (e.g., CMakeLists, Info.plist, AndroidManifest).
