[nongnu] elpa/rust-mode 01ba44166c: add deprecation note for racer and rls

[ELPA Syncer]

branch: elpa/rust-mode
commit 01ba44166cf16d9b78d99f2fa0c3c54c0f206894
Author: brotzeit <brotzeitmacher@gmail.com>
Commit: brotzeit <brotzeitmacher@gmail.com>

    add deprecation note for racer and rls
    
    close #453
---
 README.md | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/README.md b/README.md
index e96004809c..e495c4f7e8 100644
--- a/README.md
+++ b/README.md
@@ -228,6 +228,9 @@ by using additional packages. You can find more information 
in the
 You can either use a lsp client or [racer](https://github.com/racer-rust/racer)
 with [emacs-racer](https://github.com/racer-rust/emacs-racer#installation).
 
+Note that racer and rls are considered deprecated. You should try rust-analyzer
+instead.
+
 ## Other recommended packages
 
 ### flycheck