Merge pull request #20 from polius/improvements

Improvements across Transactions, Dashboard, and Settings

Updated README.md to reference new screenshots

fix: improve settings page button layout for small screens

feat: Manage API Keys when login is enabled, improve HTTPS detection,…

… and a few overall improvements

Multiple UI Improvements and bug fixes.

Improve translation system, upgrade runtime to Python 3.14 and update…

…d README.md

New feature: Added 'Custom Range' option to the Change Dashboard menu

Fixed color rendering issue on Dashboards legend and improved error h…

…andling

Changed version to 1.7

Improved Dashboards Footer (Income, Expenses, Balance) for mobile dev…

…ices