[Feature]: PWA offline

[davi-jorge-art]

Pre-flight checks

• I have searched existing issues and discussions for a similar request.
• This request is about Markra itself, not a provider-specific support question.

Problem

Access offline on mobile . The use of the app will be extended to any device that can run a Chrome like browser. Acctually it's not possible on Android because no browser give acess to write / read an entire folder to this app.

Proposed solution

Implement a "true" offline PWA from the webpage

Product area

Cross-platform behavior

Alternatives considered

No response

Additional context

No response