Adds Dynmap integration

This adds Dynmap integration for displaying Stargates in Dynmap
API version is changed back to 1.18 as 1.19 is still kind of new
Version is now 0.9.4.1

pom.xml

@@ -4,7 +4,7 @@
 
     <groupId>net.knarcraft</groupId>
     <artifactId>Stargate</artifactId>
-    <version>0.9.4.0</version>
+    <version>0.9.4.1</version>
 
     <licenses>
         <license>
@@ -28,6 +28,10 @@
             <id>vault-repo</id>
             <url>http://nexus.hc.to/content/repositories/pub_releases</url>
         </repository>
+        <repository>
+            <id>dynmap</id>
+            <url>https://repo.mikeprimm.com/</url>
+        </repository>
     </repositories>
 
     <dependencies>
@@ -65,6 +69,11 @@
             <version>4.13.2</version>
             <scope>test</scope>
         </dependency>
+        <dependency>
+            <groupId>us.dynmap</groupId>
+            <artifactId>dynmap-api</artifactId>
+            <version>3.1-beta-2</version>
+        </dependency>
     </dependencies>
 
     <build>