Add package.json file so it can be published to npm.

If not published, it can still be included via git.
~~~
"BigRedButtonNodeHID":
"git+ssh://git@github.com:codepope/BigRedButtonNodeHID.git#1.0.0"
~~~

Author: Blaine Schmeisser

package.json

@@ -0,0 +1,28 @@
+{
+  "name": "BigRedButtonNodeHID",
+  "version": "1.0.0",
+  "description": "Big red button helper.",
+  "main": "BigRedButton.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git@github.com:codepope/BigRedButtonNodeHID.git"
+  },
+  "keywords": [
+    "big",
+    "red",
+    "button",
+    "helper",
+    "io",
+    "usb",
+    "hid"
+  ],
+  "author": "codepope",
+  "license": "MIT",
+  "bugs": {
+    "url": "https://github.com/codepope/BigRedButtonNodeHID/issues"
+  },
+  "homepage": "https://github.com/codepope/BigRedButtonNodeHID"
+}