Merge pull request #25 from Kahitar/master

Fix java.lang.NoClassDefFoundError on gradlew :imgui-lwjgl3:startExample

Author: SpaiR

gradle/wrapper/gradle-wrapper.properties

@@ -1,5 +1,5 @@
 #Sat Dec 14 22:33:02 MSK 2019
-distributionUrl=https\://services.gradle.org/distributions/gradle-6.0.1-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-6.3-bin.zip
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStorePath=wrapper/dists