Minor change to markdown query, remove redundancy

Author: MeanderingProgrammer

README.md

@@ -58,9 +58,11 @@ require('render-markdown').setup({
 
         (fenced_code_block) @code
 
-        (list_marker_plus) @list_marker
-        (list_marker_minus) @list_marker
-        (list_marker_star) @list_marker
+        [
+            (list_marker_plus)
+            (list_marker_minus)
+            (list_marker_star)
+        ] @list_marker
 
         (pipe_table_header) @table_head
         (pipe_table_delimiter_row) @table_delim

demo/sample.md

@@ -20,11 +20,11 @@ if __name__ == "__main__":
     main()
 ```
 
-* List Item 1
+- List Item 1
 * List Item 2
     * Nested List Item 1
     * Nested List Item 2
-* List Item 3
++ List Item 3
 
 1. Item 1
 2. Item 2

lua/render-markdown/init.lua

@@ -42,9 +42,11 @@ function M.setup(opts)
 
             (fenced_code_block) @code
 
-            (list_marker_plus) @list_marker
-            (list_marker_minus) @list_marker
-            (list_marker_star) @list_marker
+            [
+                (list_marker_plus)
+                (list_marker_minus)
+                (list_marker_star)
+            ] @list_marker
 
             (pipe_table_header) @table_head
             (pipe_table_delimiter_row) @table_delim