Update Readme.md

Update Readme.md

Update

Removing the duplicates

removing the duplicates

Delete build.gradle.kts

Delete gradlew

Delete gradlew.bat

Delete settings.gradle.kts

Delete app directory

Contains the checking materials of gradle and java for everyone who want to do

Remove duplicate gradle_workflow folder

Update .gitignore for Gradle build artifacts

Merge branch 'Tasks'

Contains the checking materials of gradle and java for everyone who want to do