
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).