v0.2.0 - ncurses TUI

Major update — full terminal dashboard.

Added

• Full ncurses TUI with windowed layout
• Scrollable, sortable process list
• Sort by CPU%, Memory, PID
• Kill process feature (K key)
• Network I/O monitoring
• Process runtime (TIME+)
• Total process and zombie count
• GTest suite (7 passing tests)
• GitHub Actions CI pipeline
• MIT License

v0.1.0 - Initial Release

Initial version of SysMon.

• Real-time CPU, Memory, Disk monitoring
• Reads directly from /proc filesystem
• CLI output, no TUI