🐛 Fix the config for compression (#8226)
🐛 Fix the config for compression (#8226)

refs #7488

- This has always been documented as top-level "compress", and yet the code references server.compress
- Should be top level
novaugust/Ghost,mohanambati/Ghost,bitjson/Ghost,vainglori0us/urban-fortnight,stridespace/Ghost,Gargol/Ghost,mohanambati/Ghost,cwonrails/Ghost,leninhasda/Ghost,Gargol/Ghost,singular78/Ghost,sebgie/Ghost,ErisDS/Ghost,vainglori0us/urban-fortnight,ErisDS/Ghost,TryGhost/Ghost,letsjustfixit/Ghost,mohanambati/Ghost,sebgie/Ghost,ErisDS/Ghost,sebgie/Ghost,janvt/Ghost,JohnONolan/Ghost,stridespace/Ghost,dbalders/Ghost,TryGhost/Ghost,cwonrails/Ghost,BlueHatbRit/Ghost,e10/Ghost,dbalders/Ghost,leninhasda/Ghost,Kikobeats/Ghost,Kikobeats/Ghost,e10/Ghost,kevinansfield/Ghost,Kikobeats/Ghost,stridespace/Ghost,novaugust/Ghost,singular78/Ghost,singular78/Ghost,acburdine/Ghost,letsjustfixit/Ghost,dbalders/Ghost,bitjson/Ghost,vainglori0us/urban-fortnight,letsjustfixit/Ghost,TryGhost/Ghost,novaugust/Ghost,acburdine/Ghost,JohnONolan/Ghost,kevinansfield/Ghost,BlueHatbRit/Ghost,chevex/undoctrinate,acburdine/Ghost,cwonrails/Ghost,janvt/Ghost,kevinansfield/Ghost,JohnONolan/Ghost