Update README and CHANGES for 0.20.0 (#1947)

Guillaume Petiot · web-flow · commit 00dda7f9f641 · 2021-12-07T00:19:28.000+08:00
diff --git a/CHANGES.md b/CHANGES.md
@@ -1,6 +1,4 @@
-### unreleased
-
-#### Removed
+### 0.20.0 (2021-12-06)
 
 #### Deprecated
 
diff --git a/README.md b/README.md
@@ -65,7 +65,7 @@ Moreover if you adopt OCamlFormat in one project it will not break your workflow
 The recommended way is to use a versioned default profile, such as:
 
 ```
-version=0.19.0
+version=0.20.0
 ```
 
 (or replace with the output of `ocamlformat --version`)
