DO new awesome-go supporting

ref: #3211 (to droplets)
@digitalocean big thanks: https://twitter.com/avelinorun/status/1293969216417214466

Signed-off-by: Avelino <t@avelino.xxx>

README.md

@@ -3,6 +3,7 @@
 [![Build Status](https://travis-ci.org/avelino/awesome-go.svg?branch=master)](https://travis-ci.org/avelino/awesome-go) [![Awesome](https://cdn.rawgit.com/sindresorhus/awesome/d7305f38d29fed78fa85652e3a63e154dd8e8829/media/badge.svg)](https://github.com/sindresorhus/awesome) [![Slack Widget](https://img.shields.io/badge/join-us%20on%20slack-gray.svg?longCache=true&logo=slack&colorB=red)](http://gophers.slack.com/messages/awesome) [![Netlify Status](https://api.netlify.com/api/v1/badges/83a6dcbe-0da6-433e-b586-f68109286bd5/deploy-status)](https://app.netlify.com/sites/awesome-go/deploys)
 
 ## Sponsorships
+> [![Digital Ocean](https://avelino.run/sponsors/do_logo_horizontal_blue-210.png)](https://m.do.co/c/bd3b723c0a36?utm_medium=opensource&utm_source=awesome-go)
 > [![GitAds Support](https://images.gitads.io/awesome-go)](https://tracking.gitads.io/?repo=awesome-go)
 
 **We have no monthly cost**_, but we have employees **working hard** to maintain the Awesome Go, with money raised we can repay the effort of each person involved! All billing and distribution will be open to the entire community._
@@ -18,10 +19,16 @@ Please take a quick gander at the [contribution guidelines](https://github.com/a
 ### Contents
 
 - [Awesome Go](#awesome-go)
+  - [Sponsorships](#sponsorships)
+    - [Contributing](#contributing)
+      - [*If you see a package or project here that is no longer maintained or is not a good fit, please submit a pull request to improve this file. Thank you!*](#if-you-see-a-package-or-project-here-that-is-no-longer-maintained-or-is-not-a-good-fit-please-submit-a-pull-request-to-improve-this-file-thank-you)
+    - [Contents](#contents)
   - [Audio and Music](#audio-and-music)
   - [Authentication and OAuth](#authentication-and-oauth)
   - [Bot Building](#bot-building)
   - [Command Line](#command-line)
+    - [Standard CLI](#standard-cli)
+    - [Advanced Console UIs](#advanced-console-uis)
   - [Configuration](#configuration)
   - [Continuous Integration](#continuous-integration)
   - [CSS Preprocessors](#css-preprocessors)
@@ -46,7 +53,7 @@ Please take a quick gander at the [contribution guidelines](https://github.com/a
   - [GUI](#gui)
   - [Hardware](#hardware)
   - [Images](#images)
-    - [IoT](#iot-internet-of-things)
+  - [IoT (Internet of Things)](#iot-internet-of-things)
   - [Job Scheduler](#job-scheduler)
   - [JSON](#json)
   - [Logging](#logging)
@@ -90,6 +97,26 @@ Please take a quick gander at the [contribution guidelines](https://github.com/a
   - [WebAssembly](#webassembly)
   - [Windows](#windows)
   - [XML](#xml)
+- [Tools](#tools)
+  - [Code Analysis](#code-analysis)
+  - [Editor Plugins](#editor-plugins)
+  - [Go Generate Tools](#go-generate-tools)
+  - [Go Tools](#go-tools)
+  - [Software Packages](#software-packages)
+    - [DevOps Tools](#devops-tools)
+    - [Other Software](#other-software)
+- [Resources](#resources)
+  - [Benchmarks](#benchmarks)
+  - [Conferences](#conferences)
+  - [E-Books](#e-books)
+  - [Gophers](#gophers)
+  - [Meetups](#meetups)
+  - [Style Guides](#style-guides)
+  - [Social Media](#social-media)
+    - [Twitter](#twitter)
+    - [Reddit](#reddit)
+  - [Websites](#websites)
+    - [Tutorials](#tutorials)
 
 - [Tools](#tools)
     - [Code Analysis](#code-analysis)