Fixed local grunt

package-lock.json

@@ -1,6 +1,6 @@
 {
   "name": "litegraph.js",
-  "version": "0.3.0-1",
+  "version": "0.3.0",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
@@ -1786,6 +1786,18 @@
         }
       }
     },
+    "grunt-cli": {
+      "version": "1.2.0",
+      "resolved": "https://registry.npmjs.org/grunt-cli/-/grunt-cli-1.2.0.tgz",
+      "integrity": "sha1-VisRnrsGndtGSs4oRVAb6Xs1tqg=",
+      "dev": true,
+      "requires": {
+        "findup-sync": "0.3.0",
+        "grunt-known-options": "1.1.0",
+        "nopt": "3.0.6",
+        "resolve": "1.1.7"
+      }
+    },
     "grunt-closure-tools": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/grunt-closure-tools/-/grunt-closure-tools-1.0.0.tgz",

package.json

@@ -10,7 +10,7 @@
   "scripts": {
     "prebuild": "grunt clean:build",
     "build": "grunt build",
-    "start": "npx nodemon utils/server.js",
+    "start": "nodemon utils/server.js",
     "test": "echo \"Error: no test specified\" && exit 1"
   },
   "repository": {
@@ -31,6 +31,7 @@
     "express": "^4.16.2",
     "google-closure-compiler": "^20171112.0.0",
     "grunt": "^1.0.1",
+    "grunt-cli": "^1.2.0",
     "grunt-closure-tools": "^1.0.0",
     "grunt-contrib-clean": "^1.1.0",
     "grunt-contrib-concat": "^1.0.1",