docs: update configuration format list (#4212)

update configuration format list

docs/config/README.md

@@ -209,11 +209,9 @@ $git_status\
 $hg_branch\
 $docker_context\
 $package\
-$buf\
 $c\
 $cmake\
 $cobol\
-$container\
 $daml\
 $dart\
 $deno\
@@ -236,6 +234,7 @@ $php\
 $pulumi\
 $purescript\
 $python\
+$raku\
 $rlang\
 $red\
 $ruby\
@@ -246,6 +245,7 @@ $terraform\
 $vlang\
 $vagrant\
 $zig\
+$buf\
 $nix_shell\
 $conda\
 $spack\
@@ -264,6 +264,7 @@ $jobs\
 $battery\
 $time\
 $status\
+$container\
 $shell\
 $character"""
 ```