feat(queries): inject toml metadata

Author: notpeter

tree-sitter-markdown/queries/injections.scm

@@ -7,6 +7,8 @@
 
 (document . (section . (thematic_break) (_) @injection.content (thematic_break)) (#set! injection.language "yaml"))
 
-([(minus_metadata) (plus_metadata)] @injection.content (#set! injection.language "yml"))
+((minus_metadata) @injection.content (#set! injection.language "yaml"))
+
+((plus_metadata) @injection.content (#set! injection.language "toml"))
 
 ((inline) @injection.content (#set! injection.language "markdown_inline"))