Merge #7493

7493: Add --print-config-schema to help r=lnicola a=lnicola

bors r+

Co-authored-by: Laurențiu Nicola <lnicola@dend.ro>

crates/rust-analyzer/src/bin/args.rs

@@ -50,6 +50,8 @@ FLAGS:
     -vv, --spammy
     -q,  --quiet      Set verbosity
 
+    --print-config-schema
+                      Dump a LSP config JSON schema
     --log-file <PATH> Log to the specified file instead of stderr
     --no-log-buffering
                       Flush log records to the file immediately