Enable for UI5 Tooling usage

Depends on SAP/ui5-project#4

package.json

@@ -5,22 +5,18 @@
   "private": false,
   "scripts": {
     "test": "echo \"Error: no test specified. Please add some.\" && exit 1",
-    "postinstall": "bower install && node postInstall",
-    "start": "grunt"
+    "start": "ui5 serve -o"
   },
   "dependencies": {
+    "@openui5/sap.ui.core": "^1.56.2",
+    "@openui5/sap.m": "^1.56.2",
+    "@openui5/themelib_sap_belize": "^1.56.2",
+    "@openui5/sap.ui.layout": "^1.56.2",
+    "@openui5/sap.f": "^1.56.2",
     "parallax-js": "^3.1.0"
   },
   "devDependencies": {
-    "bower": "^1.8.0",
-    "grunt": "^1.0.1",
-    "grunt-contrib-clean": "^1.0.0",
-    "grunt-contrib-connect": "^1.0.2",
-    "grunt-contrib-copy": "^1.0.0",
-    "grunt-eslint": "^19.0.0",
-    "grunt-openui5": "^0.12.0",
     "ui5lab-browser": "^0.1.0",
-    "parallax-js": "^3.1.0",
     "fs-extra": "^3.0.0"
   }
 }