Add discord channel

README.md

@@ -4,6 +4,7 @@
 [![Maven Central](https://maven-badges.herokuapp.com/maven-central/io.github.endless4s/endless-core_2.13/badge.svg)](https://maven-badges.herokuapp.com/maven-central/io.github.endless4s/endless-core_2.13)
 [![codecov](https://codecov.io/gh/endless4s/endless/branch/master/graph/badge.svg?token=aH9vOhLxVS)](https://codecov.io/gh/endless4s/endless)
 [![Scala Steward badge](https://img.shields.io/badge/Scala_Steward-helping-blue.svg?style=flat&logo=data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAA4AAAAQCAMAAAARSr4IAAAAVFBMVEUAAACHjojlOy5NWlrKzcYRKjGFjIbp293YycuLa3pYY2LSqql4f3pCUFTgSjNodYRmcXUsPD/NTTbjRS+2jomhgnzNc223cGvZS0HaSD0XLjbaSjElhIr+AAAAAXRSTlMAQObYZgAAAHlJREFUCNdNyosOwyAIhWHAQS1Vt7a77/3fcxxdmv0xwmckutAR1nkm4ggbyEcg/wWmlGLDAA3oL50xi6fk5ffZ3E2E3QfZDCcCN2YtbEWZt+Drc6u6rlqv7Uk0LdKqqr5rk2UCRXOk0vmQKGfc94nOJyQjouF9H/wCc9gECEYfONoAAAAASUVORK5CYII=)](https://scala-steward.org)
+[![Discord](https://badgen.net/badge/icon/discord?icon=discord&label)](https://discord.gg/RceQCetW)
 
 *endless* is a Scala library to describe event sourced entities using tagless-final algebras, running with built-in implementations for Akka.
 

build.sbt

@@ -29,7 +29,7 @@ inThisBuild(
     scalaVersion := "2.13.7",
     Global / onChangedBuildSource := ReloadOnSourceChanges,
     PB.protocVersion := "3.17.3", // works on Apple Silicon,
-    versionPolicyIntention := Compatibility.None,
+    versionPolicyIntention := Compatibility.BinaryAndSourceCompatible,
     versionScheme := Some("early-semver"),
     versionPolicyIgnoredInternalDependencyVersions := Some(
       "^\\d+\\.\\d+\\.\\d+\\+\\d+".r

documentation/src/main/paradox/discord.md

@@ -0,0 +1,4 @@
+## Questions & answers
+Join the discord channel!
+
+<iframe src="https://discordapp.com/widget?id=917750013826838558&theme=dark" width="350" height="500" allowtransparency="true" frameborder="0" sandbox="allow-popups allow-popups-to-escape-sandbox allow-same-origin allow-scripts"></iframe></html>

documentation/src/main/paradox/index.md

@@ -15,4 +15,5 @@ endless is a Scala library to describe event sourced entities using tagless-fina
 * [Example app](example.md)
 * [Reference](reference.md)
 * [Inspiration](inspiration.md)
+* [Questions & answers](discord.md)
 @@@