commit package.json (as created by tree-sitter generate)

i need to insert custom attributes into this which are not auto-generated

package.json

@@ -0,0 +1,19 @@
+{
+  "name": "tree-sitter-nix-shell",
+  "version": "0.0.1",
+  "description": "nix-shell grammar for tree-sitter",
+  "main": "bindings/node",
+  "keywords": [
+    "parsing",
+    "incremental"
+  ],
+  "dependencies": {
+    "nan": "^2.12.1"
+  },
+  "devDependencies": {
+    "tree-sitter-cli": "^0.20.8"
+  },
+  "scripts": {
+    "test": "tree-sitter test"
+  }
+}