better processing of lyng.d. files

docs/idea_plugin.md

@@ -9,9 +9,12 @@ should be compatible with other IDEA flavors, notably [OpenIDE](https://openide.
 - reformat code (indents, spaces)
 - reformat on paste
 - smart enter key
+- `.lyng.d` definition files (merged into analysis for completion, navigation, Quick Docs, and error checking)
 
 Features are configurable via the plugin settings page, in system settings.
 
+See `docs/lyng_d_files.md` for `.lyng.d` syntax and examples.
+
 > Recommended for IntelliJ-based IDEs: While IntelliJ can import TextMate bundles
 > (Settings/Preferences → Editor → TextMate Bundles), the native Lyng plugin provides
 > better support (formatting, smart enter, background analysis, etc.). Prefer installing
@@ -26,4 +29,4 @@ Features are configurable via the plugin settings page, in system settings.
 
 ### [Download plugin v0.0.2-SNAPSHOT](https://lynglang.com/distributables/lyng-idea-0.0.2-SNAPSHOT.zip)
 
-Your ideas and bugreports are welcome on the [project gitea page](https://gitea.sergeych.net/SergeychWorks/lyng/issues)
+Your ideas and bugreports are welcome on the [project gitea page](https://gitea.sergeych.net/SergeychWorks/lyng/issues)