✨ Add teams calls to data

I started this bit but didn't finish
Will probably need prompt refinements
```[tasklist]
### Tasks
- [ ] App registration - ask sysAdmins to see calls
- [ ] New box on the UI to show data
- [ ] Refine prompt to understand new data
- [ ] https://github.com/SSWConsulting/TimesheetGPT/issues/44
```
