trying to add option to nvim module

flake.lock

@@ -191,11 +191,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1740162094,
-        "narHash": "sha256-QpD9XNR6tPPsYTavZw1o99Tcn3ILrp1SXr669Ru6vuY=",
+        "lastModified": 1740170230,
+        "narHash": "sha256-Clnn2Y+bx4LI2caUqtCxaYKKRLC4ifXVSgVZKJIskFA=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "5525603a0c65072af1cd24cd2750fa33749e4943",
+        "rev": "f1c5d6d23fd57011b78cb2424f5c73e68c9e8879",
         "type": "github"
       },
       "original": {
@@ -208,14 +208,15 @@
       "inputs": {
         "neovim": "neovim",
         "nixpkgs": "nixpkgs",
-        "plugin-dracula": "plugin-dracula"
+        "plugin-dracula": "plugin-dracula",
+        "plugin-gruvbox": "plugin-gruvbox"
       },
       "locked": {
-        "lastModified": 1740162540,
-        "narHash": "sha256-ndL6jasN2dO2MBbHIxDq3kboorJYeQGElgkL78I6H9Y=",
+        "lastModified": 1740171672,
+        "narHash": "sha256-88wGgFd9NpeOqBKRPOgn4K+BYO0dcsffpKml7s3hXJI=",
         "ref": "refs/heads/main",
-        "rev": "b8f8f5ac1138e51b0f2918c3da13dbe2dbce57fd",
-        "revCount": 3,
+        "rev": "87f375dea46afd579ba76fe2ac900418ad26706f",
+        "revCount": 4,
         "type": "git",
         "url": "https://gitea.napo280.fr/napo280/flake-nvim"
       },
@@ -240,6 +241,22 @@
         "type": "github"
       }
     },
+    "plugin-gruvbox": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1738710709,
+        "narHash": "sha256-BBMDCIhwTvZQyeWug8zzUwV8uuqQIkpXtEpoErvAKFc=",
+        "owner": "ellisonleao",
+        "repo": "gruvbox.nvim",
+        "rev": "089b60e92aa0a1c6fa76ff527837cd35b6f5ac81",
+        "type": "github"
+      },
+      "original": {
+        "owner": "ellisonleao",
+        "repo": "gruvbox.nvim",
+        "type": "github"
+      }
+    },
     "root": {
       "inputs": {
         "nvim": "nvim"