style: improve formatting and alignment in config.toml

- Adjusted alignment and whitespace for better readability
- Maintained consistency between configuration items

config.toml

@@ -9,6 +9,7 @@
       [markup.goldmark.parser.attribute]
         block = true
         title = true
+
   [markup.highlight]
     anchorLineNos      = false
     codeFences         = true
@@ -23,6 +24,7 @@
     noHl               = false
     style              = 'rrt'
     tabWidth           = 4
+
   [markup.tableOfContents]
     startLevel = 2
     endLevel   = 3