add to features

Signed-off-by: kim (grufwub) <grufwub@gmail.com>

README.md

@@ -9,6 +9,8 @@ I work on open-source projects like this and many others for
 free. If you would like to help support my work that would be hugely
 appreciated 💕 https://liberapay.com/grufwub/
 
+NOTE:
+
 # Features
 
 - Built with security, concurrency and efficiency in mind
@@ -32,6 +34,10 @@ appreciated 💕 https://liberapay.com/grufwub/
 
 - Separate system and access logging
 
+- Chroot and privilege dropping support (for now, Gophi compilation is
+  reliant on a version of Go that has latest POSIX syscall fixes cherry
+  picked, e.g. [my fork](https://github.com/grufwub/go/tree/go1.15.5-posix-syscall-fix))
+
 # Further Docs
 
 [Usage](docs/USAGE.md)