Add Core-Monitor to awesome-macOS

[offyotto]

0. I have read the Contribution Guidelines
1. I confirm that I have read and understood the sections about "AI"-adjacent software
2. Project URL: https://github.com/offyotto/Core-Monitor
3. Why should this project be added: Core-Monitor is a menu bar system monitor for Apple Silicon Macs with local SMC sensor readings and fan control.
4. End all descriptions with a full stop/period.
5. Entry is ordered alphabetically.
6. Appropriate icon(s) added if applicable (OSS, freeware).