Use nix-index as package-not-found, install comma

flake.lock

@@ -212,6 +212,26 @@
         "type": "github"
       }
     },
+    "nix-index-database": {
+      "inputs": {
+        "nixpkgs": [
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1673752441,
+        "narHash": "sha256-/g4ImZWV05CrXRWTSJsda6ztIp7LAPxs2L6RCrbQ66U=",
+        "owner": "Mic92",
+        "repo": "nix-index-database",
+        "rev": "391180f77505c1c8cdd45fe1a59dc89d3e40300a",
+        "type": "github"
+      },
+      "original": {
+        "owner": "Mic92",
+        "repo": "nix-index-database",
+        "type": "github"
+      }
+    },
     "nixpkgs": {
       "locked": {
         "lastModified": 1665732960,
@@ -331,6 +351,7 @@
         "hyprland": "hyprland",
         "material-wifi-icons": "material-wifi-icons",
         "nil-lsp": "nil-lsp",
+        "nix-index-database": "nix-index-database",
         "nixpkgs": "nixpkgs_2",
         "nixpkgs-unstable": "nixpkgs-unstable",
         "nur": "nur",