Add java/kotlin/scala resources (#2854)

* Resources added for Java kotlin scala

* Update content/roadmaps/114-software-architect/content/104-programming-languages/100-java-kotlin-scala.md

Co-authored-by: Kamran Ahmed <kamranahmed.se@gmail.com>

content/roadmaps/114-software-architect/content/104-programming-languages/100-java-kotlin-scala.md

@@ -1 +1,13 @@
-# Java kotlin scala
+<DedicatedRoadmap
+  href='/java'
+  title='Java Roadmap'
+  description='Click to check the detailed Java Roadmap.'
+/>
+
+# Java/Kotlin/Scala
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.w3schools.com/java/'>Java Basics</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://blog.teamtreehouse.com/absolute-beginners-guide-kotlin'>Learn the basics of Kotlin</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://kotlinlang.org/docs/reference/basic-syntax.html'>Kotlin Docs</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://docs.scala-lang.org/tour/basics.html'>Scala Tutorial</BadgeLink>