diff --git a/.gitignore b/.gitignore
index 36b13f1..b2df4aa 100644
--- a/.gitignore
+++ b/.gitignore
@@ -7,6 +7,15 @@ __pycache__/
 # C extensions
 *.so
 
+# Node.js/npm
+node_modules/
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+.npm
+.yarn-integrity
+package-lock.json
+
 # Distribution / packaging
 .Python
 build/
diff --git a/package.json b/package.json
new file mode 100644
index 0000000..43926eb
--- /dev/null
+++ b/package.json
@@ -0,0 +1,5 @@
+{
+  "devDependencies": {
+    "prettier": "3.6.2"
+  }
+}