Add empty package.json and add start script

.gitignore

@@ -1 +1,2 @@
+node_modules
 public

README.md

@@ -172,3 +172,9 @@ Contributions are very welcome. To run the example site in this repository local
 hugo server -s exampleSite -d ../public --themesDir '../' --theme '.'
 ```
 
+or simply...
+
+```shell
+npm start
+```
+

package.json

@@ -0,0 +1,8 @@
+{
+  "scripts": {
+    "start": "hugo server -s exampleSite -d ../public --themesDir '../' --theme '.'"
+  },
+  "dependencies": {
+    "npm": "^6.0.0"
+  }
+}