Initial commit of firefox modules with basic configs

flake.lock

@@ -19,6 +19,28 @@
         "type": "github"
       }
     },
+    "firefox-addons": {
+      "inputs": {
+        "nixpkgs": [
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "dir": "pkgs/firefox-addons",
+        "lastModified": 1753761817,
+        "narHash": "sha256-FE908x/ihUlr5yn1f+PTMyOjcwotGUodzn7Ej6zZf5U=",
+        "owner": "rycee",
+        "repo": "nur-expressions",
+        "rev": "b657cfddb78408e9b53b4a8aaeaac71fc7ea182e",
+        "type": "gitlab"
+      },
+      "original": {
+        "dir": "pkgs/firefox-addons",
+        "owner": "rycee",
+        "repo": "nur-expressions",
+        "type": "gitlab"
+      }
+    },
     "flake-parts": {
       "inputs": {
         "nixpkgs-lib": [
@@ -226,6 +248,7 @@
     "root": {
       "inputs": {
         "claude-code": "claude-code",
+        "firefox-addons": "firefox-addons",
         "home-manager": "home-manager",
         "nix-darwin": "nix-darwin",
         "nixpkgs": "nixpkgs_2",