First development of the deploy action (#6)

Deploy js code to an instance of screeps.
Some debugging tools are implemented.

Reviewed-on: #6
Co-authored-by: Philipp Horstenkamp <philipp@horstenkamp.de>
Co-committed-by: Philipp Horstenkamp <philipp@horstenkamp.de>

node_modules/screeps-api/examples/download_code.js

@@ -0,0 +1,28 @@
+'use strict'
+const ScreepsAPI = require('../')
+const auth = require('../auth')
+const WebSocket = require('ws')
+const fs = require('fs')
+
+let api = new ScreepsAPI(auth)
+
+api.socket(() => {
+})
+
+api.on('message', (msg) => {
+  // console.log('MSG', msg)
+  if (msg.slice(0, 7) == 'auth ok') {
+    api.subscribe('/code')
+  }
+})
+
+// Upload your code to trigger this.
+api.on('code', (msg)=>{
+  let [user, data] = msg
+  fs.mkdirSync(data.branch)
+  for(let mod in data.modules){
+    let file = `${data.branch}/${mod}.js`
+    fs.writeFileSync(file,data.modules[mod])
+    console.log('Wrote',file)
+  }
+})