Document that plugin adds annotation processors automatically,…

src/docs/asciidoc/index.adoc

@@ -306,6 +306,17 @@ The https://plugins.gradle.org/plugin/io.micronaut.library[Micronaut library plu
 * Applies the https://search.maven.org/artifact/io.micronaut.platform/micronaut-platform[Micronaut Bill of Materials (BOM)]
 * Applies the `java-library` plugin
 * Configures annotation processing for the current language (Groovy, Java or Kotlin)
+* Adds annotation processors automatically for Micronaut modules
+** `io.micronaut.data:micronaut-data-processor`
+** `io.micronaut.jaxrs:micronaut-jaxrs-processor`
+** `io.micronaut.micrometer:micronaut-micrometer-annotation`
+** `io.micronaut.microstream:micronaut-microstream-annotations`
+** `io.micronaut.openapi:micronaut-openapi`
+** `io.micronaut.security:micronaut-security-annotations`
+** `io.micronaut.serde:micronaut-serde-processor`
+** `io.micronaut.spring:micronaut-spring-annotation`
+** `io.micronaut.tracing:micronaut-tracing-annotation`
+** `io.micronaut.validation:micronaut-validation-processor`
 
 The `micronaut` DSL can be used to configure how this behaves.
 
@@ -376,6 +387,29 @@ micronaut {
 }
 ----
 
+In some circumstances, automatic dependencies – e.g. annotation processors listed above – can get in the way. This should be rare, but it is possible to suppress them, as follows. It has no default and using suppression shifts responsibility of adding the dependencies to the user.
+
+.Suppressing automatic dependencies
+[source, groovy, subs="verbatim,attributes", role="multi-language-sample"]
+----
+micronaut {
+    // The Micronaut plugins can automatically add dependencies to your project. If, for some reason,
+    // a dependency shouldn't be automatically added, you can add its coordinates to this set.
+    // The format is "group:name". It must not include the version.
+    ignoredAutomaticDependencies.add("io.micronaut.data:micronaut-data-processor")
+}
+----
+
+[source, kotlin, subs="verbatim,attributes", role="multi-language-sample"]
+----
+micronaut {
+    // The Micronaut plugins can automatically add dependencies to your project. If, for some reason,
+    // a dependency shouldn't be automatically added, you can add its coordinates to this set.
+    // The format is "group:name". It must not include the version.
+    ignoredAutomaticDependencies.add("io.micronaut.data:micronaut-data-processor")
+}
+----
+
 NOTE: The Micronaut Library plugin also supports Groovy and Kotlin sources.
 
 === Kotlin Support