Enforce server auth, ping on createClient, update docs (#68)

* Add createServer, ping on createClient, update README

* fix createClient keepalive

* resort readme, fix node 14

* Enforce auth on server connections, fix close/connect issues

* add type definitions, update readme, docs

* Wait some time before closing connection, update docs

* wait for server close in tests, fix race bug

* export a ping api

* Rename api.md to API.md

* add ping example

examples/serverReadmeExample.js

@@ -0,0 +1,14 @@
+/* eslint-disable */
+const bedrock = require('bedrock-protocol')
+const server = new bedrock.createServer({
+  host: '0.0.0.0',   // optional
+  port: 19132,           // optional
+  version: '1.16.220'    // The server version
+})
+
+server.on('connect', client => {
+  client.on('join', () => { // The client has joined the server.
+    const d = new Date()  // Once client is in the server, send a colorful kick message
+    client.disconnect(`Good ${d.getHours() < 12 ? '§emorning§r' : '§3afternoon§r'} :)\n\nMy time is ${d.toLocaleString()} !`)
+  })
+})