chore(index): Kotlin 1.3.70 replaces Kotlin for datascience; Gradle replaces KotlinConf
chore(index): Kotlin 1.3.70 replaces Kotlin for datascience; Gradle replaces KotlinConf

JetBrains/kotlin-web-site,JetBrains/kotlin-web-site,JetBrains/kotlin-web-site,JetBrains/kotlin-web-site,hltj/kotlin-web-site-cn,hltj/kotlin-web-site-cn,JetBrains/kotlin-web-site,hltj/kotlin-web-site-cn,hltj/kotlin-web-site-cn,hltj/kotlin-web-site-cn,hltj/kotlin-web-site-cn,JetBrains/kotlin-web-site