Add g:LanguageClient_echoProjectRoot to docs
@@ -386,6 +386,14 @@ Maximum severity to show diagnostic messages.
Default: "Hint"
Valid options: "Error" | "Warning" | "Information" | "Hint"
+2.29 g:LanguageClient_echoProjectRoot *g:LanguageClient_echoProjectRoot*
+
+Whether to echo messages in vim of the form: "Project root: /home/user/myproject" when
+the root of a project is detected using g:LanguageClient_rootMarkers.
+
+Default: 1 to display the messages
+Valid options: 1 | 0
+
==============================================================================
3. Commands *LanguageClientCommands*
