Set up kanata, mail, and remove references to name

- Remove reference to the name "Adriel"
- Set up email reading
- Set up kanata and retire slambda

home/features/cli/productivity/default.nix

@@ -1,3 +1,3 @@
 {
-  imports = [ ./smos ./intray.nix ];
+  imports = [ ./smos ./intray.nix ./mail.nix ];
 }