rename github action file and update readme (#1494)

Author: jagrosh

.github/workflows/test.yml renamed to .github/workflows/build-and-test.yml

@@ -1,4 +1,4 @@
-name: Test
+name: Build and Test
 on:
   push:
     branches:
@@ -18,5 +18,5 @@ jobs:
           java-version: '11'
           distribution: 'adopt'
           cache: maven
-      - name: Build with Maven
+      - name: Build and Test with Maven
         run: mvn --batch-mode --update-snapshots verify

README.md

@@ -7,8 +7,8 @@
 [![Release](https://img.shields.io/github/release/jagrosh/MusicBot.svg)](https://github.com/jagrosh/MusicBot/releases/latest)
 [![License](https://img.shields.io/github/license/jagrosh/MusicBot.svg)](https://github.com/jagrosh/MusicBot/blob/master/LICENSE)
 [![Discord](https://discordapp.com/api/guilds/147698382092238848/widget.png)](https://discord.gg/0p9LSGoRLu6Pet0k)<br>
-[![CircleCI](https://img.shields.io/circleci/project/github/jagrosh/MusicBot/master.svg)](https://circleci.com/gh/jagrosh/MusicBot)
-[![AppVeyor](https://ci.appveyor.com/api/projects/status/gdu6nyte5psj6xfk/branch/master?svg=true)](https://ci.appveyor.com/project/jagrosh/musicbot/branch/master)
+[![CircleCI](https://dl.circleci.com/status-badge/img/gh/jagrosh/MusicBot/tree/master.svg?style=svg)](https://dl.circleci.com/status-badge/redirect/gh/jagrosh/MusicBot/tree/master)
+[![Build and Test](https://github.com/jagrosh/MusicBot/actions/workflows/build-and-test.yml/badge.svg)](https://github.com/jagrosh/MusicBot/actions/workflows/build-and-test.yml)
 [![CodeFactor](https://www.codefactor.io/repository/github/jagrosh/musicbot/badge)](https://www.codefactor.io/repository/github/jagrosh/musicbot)
 
 A cross-platform Discord music bot with a clean interface, and that is easy to set up and run yourself!