bump version for release 2.0.0

Author: bhurling

README.md

@@ -96,7 +96,7 @@ through the `plugins {}` DSL:
 ```kt
 plugins {
     id("com.android.application")
-    id("com.github.triplet.play") version "2.0.0-rc2"
+    id("com.github.triplet.play") version "2.0.0"
 }
 ```
 
@@ -107,7 +107,7 @@ plugins {
 ```groovy
 plugins {
     id 'com.android.application'
-    id 'com.github.triplet.play' version '2.0.0-rc2'
+    id 'com.github.triplet.play' version '2.0.0'
 }
 ```
 

plugin/build.gradle.kts

@@ -34,7 +34,7 @@ tasks.withType<KotlinJvmCompile> {
 }
 
 group = "com.github.triplet.gradle"
-version = "2.0.0-rc2"
+version = "2.0.0"
 
 gradlePlugin {
     plugins.create("play") {