feat: modernize and upgrade to Capacitor v8

[fabiomartino]

This PR modernizes the project and updates it to Capacitor v8, applying several improvements to keep the codebase aligned with the latest ecosystem updates.

Key changes

• Migrated the project to Capacitor v8, updating configuration and dependencies accordingly.
• Updated build scripts and project structure to follow modern Capacitor/Android/iOS conventions.
• Cleaned up deprecated APIs and adjusted code to match the latest platform requirements.
• Performed general maintenance and modernization to improve long-term stability.

Notes

• These changes should be backward-compatible with previous usage, but a major update is recommended due to the framework upgrade.
• Further testing across platforms is recommended to ensure smooth integration.

[KerimM]

any news?