Route display enhancement. Improved dark and light schemes

Minor bug fixes. Improved stability.

• Added offline map support for reliable route and SIGMET visualization without internet connection
• Fixed waypoint issues that could cause route duplication or incorrect segments
• Improved route plotting accuracy and stability

• European Free Route Airspace (FRA) waypoint support added.
• Expanded internal waypoint database (Europe, United States, and Canada).
• Improved FMC LEGS, oceanic ARINC 424, and PBCS/NAT route parsing.
• Performance and stability improvements.

Added support for FMC LEGS input — paste fix names directly and visualize routes instantly.
• New Oceanic ARINC 424 reporting points support (e.g. 5040N, 75N70).
• Integrated PBCS / NAT half-degree points (e.g. H5320).
• Automatic format detection — no manual mode selection required.
• Improved waypoint resolution using an internal FAA-based database.
• Enhanced route plotting stability and validation logic.
• General performance and reliability improvements.

• Clearer map plotting for SIGMET areas and routes
• Improved text and image input from briefing PDFs and ACARS messages
• Minor UI refinements for faster flight route displays
• Stability and performance improvements

Route plotting added. Coordinate extraction improved for greater accuracy and stability.

Upgrade Android SDK minimum version.
    Pinch to zoom.