docs: add repository info (#47)

docs/src/main/paradox/config-checker.md

@@ -23,6 +23,16 @@ adjustment is needed.
 
 To use the Configuration Checker feature a dependency on the *akka-diagnostics* artifact must be added.
 
+The Akka dependencies are available from Akka's library repository. To access them there, you need to configure the URL for this repository.
+
+@@repository [Maven,sbt,Gradle] {
+id="akka-repository"
+name="Akka library repository"
+url="https://repo.akka.io/maven"
+}
+
+Additionally, add the dependency as below.
+
 @@dependency [Maven,sbt,Gradle] {
 group=com.lightbend.akka
 artifact=akka-diagnostics_$scala.binary.version$

docs/src/main/paradox/starvation-detector.md

@@ -22,6 +22,16 @@ dispatcher are busy with.
 
 To use the Starvation Detector feature a dependency on the *akka-diagnostics* artifact must be added.
 
+The Akka dependencies are available from Akka's library repository. To access them there, you need to configure the URL for this repository.
+
+@@repository [Maven,sbt,Gradle] {
+id="akka-repository"
+name="Akka library repository"
+url="https://repo.akka.io/maven"
+}
+
+Additionally, add the dependency as below.
+
 @@dependency [Maven,sbt,Gradle] {
   group=com.lightbend.akka
   artifact=akka-diagnostics_$scala.binary.version$

project/plugins.sbt

@@ -2,7 +2,7 @@ addSbtPlugin("de.heikoseeberger" % "sbt-header" % "5.7.0")
 addSbtPlugin("com.eed3si9n" % "sbt-unidoc" % "0.4.3")
 addSbtPlugin("org.scalameta" % "sbt-scalafmt" % "2.4.3")
 addSbtPlugin("com.lightbend.paradox" % "sbt-paradox-dependencies" % "0.2.2")
-addSbtPlugin("com.lightbend.akka" % "sbt-paradox-akka" % "0.49")
+addSbtPlugin("com.lightbend.akka" % "sbt-paradox-akka" % "0.51")
 addSbtPlugin("com.typesafe.sbt" % "sbt-site" % "1.4.1")
 addSbtPlugin("com.lightbend.sbt" % "sbt-publish-rsync" % "0.2")
 addSbtPlugin("com.lightbend.sbt" % "sbt-java-formatter" % "0.7.0")