SerialRUN v0.4.3

Changes

• File transfer integration (attachment button in terminal input row)
• Dynamic UI sizing (font-based calculations)
• Enter key sends command, Shift+Enter inserts newline
• Plugin system: 3 new hardware plugins (ADC, Relay, Temperature)
• Plugin UI components (ButtonGroup, Input)
• CLI mode support
• Port ComboBox widened for long descriptions
• Repo cleanup: removed website, binaries, test files from public repo