chore - remove standard and use individual config

Standard is not as up to date and still uses a old eslint version.
Instead, use the airbnb default with a couple of modifications.

All required changes are included.

test/detect_buffers.spec.js

@@ -1,10 +1,11 @@
 'use strict'
 
-const Buffer = require('buffer').Buffer
+const { Buffer } = require('buffer')
 const assert = require('assert')
 const config = require('./lib/config')
 const helper = require('./helper')
-const redis = config.redis
+
+const { redis } = config
 
 describe('detectBuffers', () => {
   let client
@@ -61,7 +62,8 @@ describe('detectBuffers', () => {
         .hget(Buffer.from('hash key 2'), 'key 1')
         .hget('hash key 2', Buffer.from('key 2'))
         .hget('hash key 2', 'key 2')
-        .exec().then((reply) => {
+        .exec()
+        .then((reply) => {
           assert.strictEqual(true, Array.isArray(reply))
           assert.strictEqual(4, reply.length)
           assert.strictEqual('val 1', reply[0])
@@ -81,7 +83,8 @@ describe('detectBuffers', () => {
         .hget(Buffer.from('hash key 2'), 'key 1')
         .hget('hash key 2', Buffer.from('key 2'))
         .hget('hash key 2', 'key 2')
-        .exec().then((reply) => {
+        .exec()
+        .then((reply) => {
           assert.strictEqual(true, Array.isArray(reply))
           assert.strictEqual(4, reply.length)
           assert.strictEqual('val 1', reply[0])