Add @dougal/binary module.

It encodes / decodes sequence / preplot data using an efficient
binary format for sending large amounts of data across the wire
and for (relatively) memory efficient client-side use.

lib/modules/@dougal/binary/package.json

@@ -0,0 +1,12 @@
+{
+  "name": "@dougal/binary",
+  "version": "1.0.0",
+  "main": "index.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "keywords": [],
+  "author": "",
+  "license": "ISC",
+  "description": ""
+}