Document lsp-dired-mode (#2625)

Author: yyoncho

CHANGELOG.org

@@ -22,6 +22,8 @@
   * Add ~iedit~ integration (=documentHighlights=)
   * Add an interactive =lsp-clangd-find-other-file= method that uses the clangd extension to return the corresponding header/cpp file from cpp/header file respectively.
   * Add support for [[https://deno.land/][Deno language server]].
+  * Add ~lsp-dired-mode~ - integration between [[https://www.gnu.org/software/emacs/manual/html_node/emacs/Dired.html][dired]] and ~lsp-mode~
+  `dired` and `lsp-mode` diagnostics.
 ** Release 7.0.1
   * Introduced ~lsp-diagnostics-mode~.
   * Safe renamed ~lsp-flycheck-default-level~ -> ~lsp-diagnostics-flycheck-default-level~

README.md

@@ -75,6 +75,7 @@ most popular Emacs packages like `company`, `flycheck` and `projectile`.
   - [which-key](https://github.com/justbur/emacs-which-key/) integration
     for better discovery
   - [iedit](https://emacs-lsp.github.io/lsp-mode/page/main-features/#iedit)
+  - [dired](https://emacs-lsp.github.io/lsp-mode/page/main-features/#dired)
 
 ## Presentations/demos
   - [System Crafters](https://twitter.com/SystemCrafters) channel

docs/page/integration/dired-lsp.png

@@ -0,0 +1,8 @@
+# Dired integration
+
+`lsp-mode` provides integration with `dired` file explorer. `lsp-mode` will show
+which files/folders contain errors/warnings/hints. To enable this behaviour add
+`(lsp-dired-mode)` call to your config.
+
+## Screenshot
+![dired](dired-lsp.png)