Add ability to generate dokka docs

jvm/Module.md

@@ -0,0 +1,4 @@
+# Module bdk-jvm
+The [bitcoindevkit](https://bitcoindevkit.org/) language bindings library for the JVM. Current version: `0.4.0`.
+
+# Package org.bitcoindevkit

jvm/build.gradle.kts

@@ -6,6 +6,7 @@ plugins {
     id("java-library")
     id("maven-publish")
     id("signing")
+    id("org.jetbrains.dokka") version "1.6.10"
 }
 
 java {
@@ -90,3 +91,12 @@ signing {
     useGpgCmd()
     sign(publishing.publications)
 }
+
+tasks.withType<org.jetbrains.dokka.gradle.DokkaTask>().configureEach {
+    dokkaSourceSets {
+        named("main") {
+            moduleName.set("bdk-jvm")
+            includes.from("Module.md")
+        }
+    }
+}