improve documentation on code actions on save in Helix

Author: Techatrix

content/zls/editors/helix.smd

@@ -44,7 +44,15 @@ For more information on the health check results refer to [Health check](https:/
 
 ## Code Actions on save
 
-Helix does not yet support running code actions on save. See [helix-editor/helix#1565](https://github.com/helix-editor/helix/issues/1565).
+Running code actions on save is not supported by lsp-mode. See [helix-editor/helix#1565](https://github.com/helix-editor/helix/issues/1565)
+
+#### source.fixAll
+
+The "apply fixall" code action can be run using the "Apply code action" command (normal: `<space>a`, select: `<space>a`)
+
+#### source.organizeImports
+
+The "organize @import" code action can be run using the "Apply code action" command (normal: `<space>a`, select: `<space>a`)
 
 ## Per-project config