Farnborough (EGLF) SMR changes

# Changes
## 2607
- "Terminal" renamed to "Main Terminal"
- New "Flexjet Terminal" added

## Also needs adding
- Add helicopter aiming point foxtrot

# Link to AMDT (page number on PDF)
[Page 279](https://nats-uk.ead-it.com/cms-nats/export/sites/default/en/Publications/AIP/AMDTs/EG_Amdt_2026_07_en.pdf)

# Files to be changed
Airports/EGLF/SMR