chore: Update tools category label and add new tools

Author: hasit

docs/guides/tools/tools.md

@@ -36,8 +36,9 @@ Remove extraneous f prefix
 
 ## Supported Tools
 
-- [Ruff](./ruff.md)
 - [ShellCheck](./shellcheck.md)
+- [Ruff](./ruff.md)
+- [Markdownlint](./markdownlint.md)
+- [LanguageTool](./languagetool.md)
 - [Biome](./biome.md)
 - [Hadolint](./hadolint.md)
-- [LanguageTool](./languagetool.md)