docs: Add badges, add localMaintainers

Please publish patch after merge.

Author: RichardLitt

package.json

@@ -25,5 +25,10 @@
   },
   "devDependencies": {
     "standard": "^12.0.1"
-  }
+  },
+  "localMaintainers": [
+    "haad <haad@haja.io>",
+    "shamb0t <shams@haja.io>",
+    "hajamark <mark@haja.io>"
+  ]
 }

readme.md

@@ -1,7 +1,7 @@
 # orbit-db-eventstore
 
 [![npm version](https://badge.fury.io/js/orbit-db-eventstore.svg)](https://badge.fury.io/js/orbit-db-eventstore)
-[![Gitter](https://img.shields.io/gitter/room/nwjs/nw.js.svg)](https://gitter.im/orbitdb/Lobby)
+[![Gitter](https://img.shields.io/gitter/room/nwjs/nw.js.svg)](https://gitter.im/orbitdb/Lobby) [![Matrix](https://img.shields.io/badge/matrix-%23orbitdb%3Apermaweb.io-blue.svg)](https://riot.permaweb.io/#/room/#orbitdb:permaweb.io) [![Discord](https://img.shields.io/discord/475789330380488707?color=blueviolet&label=discord)](https://discord.gg/cscuf5T)
 
 > Append-Only Log database for orbit-db