Expand on Rock the JVM and bring it up

_includes/_markdown/courses-rock-the-jvm.md

@@ -1,4 +1,13 @@
 ## Rock the JVM Courses
 
-[Rock the JVM](https://rockthejvm.com) is a learning platform with free and premium courses on the Scala language, Akka, Cats Effect, ZIO, Apache Spark and other tools in the Scala ecosystem.
-It also has hundreds of [free video tutorials](https://youtube.com/rockthejvm) and [articles](https://blog.rockthejvm.com) on a variety of Scala-related topics.
+[Rock the JVM](https://rockthejvm.com) is a learning platform with free and premium courses on the Scala language, and all major libraries and tools in the Scala ecosystem: Typelevel, Zio, Akka/Pekko, Spark, and others.
+Its main Scala courses are:
+
+- [Scala at Light Speed](https://rockthejvm.com/courses/scala-at-light-speed) (free)
+- [Scala & Functional Programming Essentials](https://rockthejvm.com/courses/scala-essentials) (premium)
+- [Advanced Scala and Functional Programming](https://rockthejvm.com/courses/advanced-scala) (premium)
+- [Scala Macros & Metaprogramming](https://rockthejvm.com/courses/scala-macros-and-metaprogramming) (premium)
+
+Other courses teach how to build full-stack Scala application, using [Typelevel](https://rockthejvm.com/courses/typelevel-rite-of-passage) or [ZIO](https://rockthejvm.com/courses/zio-rite-of-passage) ecosystems.
+
+Explore more premium [courses](https://rockthejvm.com/courses) or check out [free video tutorials](https://youtube.com/rockthejvm) and [articles](https://rockthejvm.com/articles).

_layouts/online-courses.html

@@ -11,16 +11,16 @@
         image="coursera.png"
         link="https://www.coursera.org/learn/scala-functional-programming"
       %}
-      {% include online-courses-box.html
-        path="_markdown/courses-extension-school.md"
-        image="extension-school.png"
-        link="https://www.epfl.ch/education/continuing-education/effective-programming-in-scala/"
-      %}
       {% include online-courses-box.html
         path="_markdown/courses-rock-the-jvm.md"
         image="rock-the-jvm.png"
         link="https://rockthejvm.com"
       %}
+      {% include online-courses-box.html
+        path="_markdown/courses-extension-school.md"
+        image="extension-school.png"
+        link="https://www.epfl.ch/education/continuing-education/effective-programming-in-scala/"
+      %}
       <div class="inner-box">
         {{content}}
       </div>