trilium: add self-hosted note-taking service

Add trilium-server on port 8787 behind Caddy reverse proxy at
notes.sigkill.computer. Data stored on ZFS tank pool with
serviceMountWithZpool for mount ordering.

service-configs.nix

@@ -173,6 +173,10 @@ rec {
         port = 6688;
         proto = "tcp";
       };
+      trilium = {
+        port = 8787;
+        proto = "tcp";
+      };
     };
   };
 
@@ -302,6 +306,10 @@ rec {
     domain = "grafana.${https.domain}";
   };
 
+  trilium = {
+    dataDir = services_dir + "/trilium";
+  };
+
   media = {
     moviesDir = torrents_path + "/media/movies";
     tvDir = torrents_path + "/media/tv";