package.json - add build and deploy scripts

bin/deploy wraps the rsync command.

bin/deploy

@@ -0,0 +1,8 @@
+#!/bin/bash
+set -vx
+rsync -avzc \
+      --delete \
+      -C \
+      _site/ \
+      -- \
+      "$1"

package.json

@@ -4,6 +4,8 @@
   "description": "",
   "main": "index.js",
   "scripts": {
+    "build": "rm -rf _site && eleventy --pathprefix '~nick/whenwe/'",
+    "deploy": "bin/deploy nick@mixian.noodlefactory.co.uk:public_html/whenwe/",
     "server": "eleventy --serve",
     "test": "echo \"Error: no test specified\" && exit 1"
   },