bump version to 0.4.12 and update Lavalink dependency to 1.13.2

Add demo server discord invite

README.md

@@ -1,5 +1,11 @@
 <img align="right" src="https://i.imgur.com/zrE80HY.png" height="200" width="200">
 
+## Demo
+
+If you only want to temporarily join the demo server, use this link: [https://discord.gg/4cp9CvjwaW](https://discord.gg/4cp9CvjwaW)
+
+If you want to join the demo server permanently, use this link: [https://discord.gg/hK95396uB3](https://discord.gg/hK95396uB3)
+
 # This fork
 
 Essentially, this is just a merge of three pull requests:
@@ -51,6 +57,10 @@ services:
 although, obviously you should change `./config` to whatever path is right for your setup.
 Source code for the docker image is also on [Github](https://github.com/chrisb09/jmb-container).
 
+### Windows
+
+If you want to run the bot on a windows host without docker, you obviously need to install java, and if you want to run it in the background something like [nssm](http://nssm.cc/) can be helpful.
+
 
 ## YouTube-Login
 

pom.xml

@@ -3,7 +3,7 @@
     <modelVersion>4.0.0</modelVersion>
     <groupId>com.jagrosh</groupId>
     <artifactId>JMusicBot</artifactId>
-    <version>0.4.7</version>
+    <version>0.4.12</version>
     <packaging>jar</packaging>
 
     <repositories>
@@ -35,6 +35,11 @@
             <name>Lavalink Repository</name>
             <url>https://maven.lavalink.dev/releases</url>
         </repository>
+        <repository>
+            <id>arbjergDevSnapshots</id>
+            <name>Lavalink Repository</name>
+            <url>https://maven.lavalink.dev/snapshots</url>
+        </repository>
     </repositories>
 
     <dependencies>
@@ -59,12 +64,12 @@
         <dependency>
             <groupId>dev.arbjerg</groupId>
             <artifactId>lavaplayer-ext-youtube-rotator</artifactId>
-            <version>2.2.2</version>
+            <version>2.2.3</version>
         </dependency>
         <dependency>
             <groupId>dev.lavalink.youtube</groupId>
             <artifactId>common</artifactId>
-            <version>1.11.3</version>
+            <version>1.13.2</version>
         </dependency>
 	<dependency>
 	    <groupId>com.github.jagrosh</groupId>