diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..500aabb
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+web-ext-artifacts/
\ No newline at end of file
diff --git a/flake.lock b/flake.lock
new file mode 100644
index 0000000..0c4da0f
--- /dev/null
+++ b/flake.lock
@@ -0,0 +1,27 @@
+{
+  "nodes": {
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1755615617,
+        "narHash": "sha256-HMwfAJBdrr8wXAkbGhtcby1zGFvs+StOp19xNsbqdOg=",
+        "owner": "nixos",
+        "repo": "nixpkgs",
+        "rev": "20075955deac2583bb12f07151c2df830ef346b4",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nixos",
+        "ref": "nixos-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "nixpkgs": "nixpkgs"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}
diff --git a/manifest.json b/manifest.json
index 6c47a5c..f72a8b7 100644
--- a/manifest.json
+++ b/manifest.json
@@ -1,5 +1,5 @@
 {
-  "manifest_version": 3,
+  "manifest_version": 2,
   "name": "yt-share-cleaner",
   "version": "0.0.1",