feat(seafile): declaratively configure

configs/seafile.nix

@@ -0,0 +1,20 @@
+{ pkgs, config, ... }:
+{
+  services.xserver.displayManager.sessionCommands = "${pkgs.seafile-client}/bin/seafile-applet";
+
+  home-manager.users.me.xdg.configFile = {
+    "Seafile/Seafile Client.conf".source = (pkgs.formats.ini {}).generate "Seafile Client.conf" {
+      Behavior = {
+        hideDockIcon = false;
+        hideMainWindowWhenStarted = true;
+      };
+      Settings = {
+        computerName = config.networking.hostName;
+        lastShiburl = "https://box.hu-berlin.de";
+      };
+      UsedServerAddresses.main = "https://box.hu-berlin.de";
+    };
+  };
+
+  environment.systemPackages = [ pkgs.seafile-client pkgs.seafile-shared ];
+}