change version to 2.0.0

Author: geompokon@csd.auth.gr

pom.xml

@@ -7,7 +7,7 @@
 
     <groupId>io.github.abductcows</groupId>
     <artifactId>bit-array</artifactId>
-    <version>2.0.0-SNAPSHOT</version>
+    <version>2.0.0</version>
 
     <name>BitArray</name>
     <description>Fast, bitwise operation-based RandomAccess List&lt;Boolean&gt;</description>