adding nodejs for languages

Adding the nodejs language in the language list.
It is a different language to javascript with some server functionality

Author: kruimol

public/consolidated/_index.json

@@ -31,6 +31,10 @@
         "lang": "JAVASCRIPT",
         "icon": "/icons/javascript.svg"
     },
+    {
+        "lang": "NODEJS",
+        "icon": "/icons/nodejs.svg"
+    },
     {
         "lang": "PYTHON",
         "icon": "/icons/python.svg"

public/consolidated/nodejs.json

@@ -0,0 +1,18 @@
+[
+    {
+        "categoryName": "Basics",
+        "snippets": [
+            {
+                "title": "Hello, World!",
+                "description": "Prints \"Hello, World!\" to the console.",
+                "author": "kruimol",
+                "tags": [
+                    "nodejs",
+                    "hello-world"
+                ],
+                "contributors": [],
+                "code": "console.log(\"Hello, World!\"); // Prints Hello, World! to the console\n"
+            }
+        ]
+    }
+]

public/icons/nodejs.svg

@@ -0,0 +1,10 @@
+---
+title: Hello, World!
+description: Prints "Hello, World!" to the console.
+author: kruimol
+tags: nodejs,hello-world
+---
+
+```js
+console.log("Hello, World!"); // Prints Hello, World! to the console
+```