Initial commit: MeetRec — record & transcribe meetings with Whisper

- meetrec.py: CLI recorder with live rolling transcript (faster-whisper)
- meetrec_gui.py: PySide6 GUI reusing the CLI's recording/transcription
  logic, with model/device/compute selection and live transcript
- install.sh: local install into ~/.local (venv, deps, launchers,
  desktop entry), with --model/--no-model/--uninstall
- bin/meetrec, bin/meetrec-cli: launchers
- share/applications/meetrec.desktop: XDG desktop entry
- README.md, requirements.txt, .gitignore

requirements.txt

@@ -0,0 +1,4 @@
+numpy
+sounddevice
+faster-whisper
+pyside6