Add prelude-dart module (#1272)

doc/modules/dart.md

@@ -0,0 +1,21 @@
+# Prelude Dart
+
+!!! Note
+
+    This module builds on top of the lsp-module.
+
+The dart module is powered by [lsp-dart](https://emacs-lsp.github.io/lsp-dart/)
+
+Some features it provides:
+- Flutter integration
+- Tree views
+- Run pub
+- Debug
+- Run tests
+
+Some commands:
+`lsp-dart-pub-get` - Run pub get or flutter pub get on project root.
+`lsp-dart-pub-upgrade` - Run pub upgrade or flutter pub upgrade on project root.
+`lsp-dart-pub-outdated` - Run pub outdated or flutter pub outdated on project root.
+`lsp-dart-run-all-tests` - Run all tests from project.
+`lsp-dart-run-test-file` - Run all tests from current test buffer.

doc/modules/index.md

@@ -56,6 +56,7 @@ The following programming languages have enhanced support in Prelude:
 - CoffeeScript
 - Common Lisp
 - CSS
+- [Dart](dart.md)
 - Emacs Lisp
 - Erlang
 - Elixir