Update README

Author: Glavo

README.md

@@ -66,7 +66,7 @@ buildscript {
 Then you can create a task that compiles `module-info.java` like this:
 
 ```kotlin
-tasks.create<org.glavo.mic.tasks.CompileModuleInfo>("compileModuleInfo") {
+val compileModuleInfo = tasks.create<org.glavo.mic.tasks.CompileModuleInfo>("compileModuleInfo") {
     sourceFile.set(file("src/main/module-info.java"))
     targetFile.set(buildDir.resolve("classes/java/module-info/module-info.class"))
 
@@ -81,7 +81,7 @@ Then you can include it inside the jar like this:
 
 ```kotlin
 tasks.jar {
-    dependsOn(tasks["compileModuleInfo"])
-    from((tasks["compileModuleInfo"] as org.glavo.mic.tasks.CompileModuleInfo).targetFile)
+    dependsOn(compileModuleInfo)
+    from(compileModuleInfo.targetFile)
 }
 ```