Add davmail as package for easier setup

README.org

@@ -54,7 +54,10 @@ secret-tool store --label="UKAEA mail mbsync" email evie.litherland-smith@ukaea.
 *** Configuration
 On first run (or if token expires), stop systemd service and run manually to complete manual auth. Token will stay valid for a little while (no idea how long specifically).
 #+begin_src bash
-systemctl --user disable --now davmail.service && nix run nixpkgs#davmail -- -notray ~/.davmail.properties
+# Restart service to ensure ~/.davmail.properties exists
+systemctl --user restart davmail.service
+# Disable service and run to use manual authentication
+systemctl --user disable --now davmail.service && davmail -notray ~/.davmail.properties
 #+end_src
 
 Recreate and enable services after modifying:

home/accounts/email.nix

@@ -1,6 +1,7 @@
 { config, lib, pkgs, hostName, ... }:
 
 {
+  home.packages = with pkgs; [ davmail ];
   programs = {
     mbsync = {
       enable = true;