[DOCS] Create developer guide part (elastic#44954)

docs/development/index.asciidoc

@@ -0,0 +1,25 @@
+[[development]]
+= Developer guide
+
+[partintro]
+--
+Contributing to Kibana can be daunting at first, but it doesn't have to be. If
+you're planning a pull request to the Kibana repository, you may want to start
+with <<core-development>>.
+
+If you'd prefer to use Kibana's internal plugin API, then check out
+<<plugin-development>>.
+--
+
+include::core-development.asciidoc[]
+
+include::plugin-development.asciidoc[]
+
+include::visualize/development-visualize-index.asciidoc[]
+
+include::add-data-guide.asciidoc[]
+
+include::security/index.asciidoc[]
+
+include::pr-review.asciidoc[]
+

docs/index.asciidoc

@@ -76,8 +76,6 @@ include::api.asciidoc[]
 
 include::plugins.asciidoc[]
 
-include::development.asciidoc[]
-
 include::limitations.asciidoc[]
 
 include::release-notes/highlights.asciidoc[]
@@ -86,4 +84,6 @@ include::migration.asciidoc[]
 
 include::CHANGELOG.asciidoc[]
 
+include::development/index.asciidoc[]
+
 include::redirects.asciidoc[]