Add grafana to library

Flake lock file updates:

• Updated input 'nixvim':
    'github:nix-community/nixvim/9a9d6c69d8be9c5fa66f0714de22564df72aaa96' (2024-06-01)
  → 'github:nix-community/nixvim/e58380adcddc450eb08c37760a3f282077386d19' (2024-06-01)

flake.lock

@@ -518,11 +518,11 @@
         "treefmt-nix": "treefmt-nix"
       },
       "locked": {
-        "lastModified": 1717269089,
-        "narHash": "sha256-PUxRImLJThMBjC8reFM/EXfLrv95miC7U8euZyDqSns=",
+        "lastModified": 1717274692,
+        "narHash": "sha256-CnMCPxY9GfBAONN3BoWmPc36QV5Sv9uZFKH9VkE5KJI=",
         "owner": "nix-community",
         "repo": "nixvim",
-        "rev": "9a9d6c69d8be9c5fa66f0714de22564df72aaa96",
+        "rev": "e58380adcddc450eb08c37760a3f282077386d19",
         "type": "github"
       },
       "original": {

hosts/library/default.nix

@@ -42,6 +42,13 @@
     enable = true;
   };
 
+  services.grafana = {
+    enable = true;
+    domain = "library.mesh.vimium.net";
+    port = 3000;
+    addr = "127.0.0.1";
+  };
+
   services.prometheus = {
     enable = true;
     port = 9001;
@@ -58,7 +65,7 @@
     };
     scrapeConfigs = [
       {
-        job_name = "library";
+        job_name = "node";
         static_configs = [{
           targets = [
             "127.0.0.1:${toString config.services.prometheus.exporters.node.port}"