Add exosphere info

Author: jakibaki

README.md

@@ -30,11 +30,15 @@ It will look somewhat like this:
 [CFW]
 kip1=...
 kip1=modules/sys-netcheat.kip
+secmon=.../exosphere.bin
 debugmode=1
 fullsvcperm=1
+atmosphere=1
 ...
 ```
 
+Exosphere is needed on 6.0 in order for sleep-mode to work!
+
 After installing simply boot your switch, start a game/homebrew and run
 
 ```