added maven info in readme

Author: EnderCrypt

README.md

@@ -1,3 +1,22 @@
 # Cs2dJavaMapLibrary
 
 early alpha development, expect bugs.
+
+
+Maven dependancy:
+```Maven
+<repositories>
+  <repository>
+    <id>jitpack.io</id>
+    <url>https://jitpack.io</url>
+  </repository>
+</repositories>
+  
+<dependencies>
+  <dependency>
+    <groupId>com.github.EnderCrypt</groupId>
+    <artifactId>Cs2dJavaMapLibrary</artifactId>
+    <version>41b21f44c9</version>
+  </dependency>
+</dependencies>
+```