add comment in Cargo.toml

Author: squell

Cargo.toml

@@ -57,6 +57,7 @@ do-not-use-all-features = []
 
 # whether to enable 'sudoedit' (this will become a default feature, or
 # perhaps we can just remove the feature flag altogether)
+# NOTE: this is currently work in progress and *NOT* implemented
 sudoedit = []
 
 [profile.release]