ruff, ruff-{check,format}: add page (#12377)

* ruff-format: add page

* ruff-check: add page

* ruff: add page

---------

Co-authored-by: Juri Dispan <juri.dispan@posteo.net>

pages/common/ruff.md

@@ -0,0 +1,12 @@
+# ruff
+
+> An extremely fast Python linter and code formatter, written in Rust.
+> More information: <https://docs.astral.sh/ruff/tutorial>.
+
+- View documentation for the Ruff linter:
+
+`tldr ruff check`
+
+- View documentation for the Ruff code formatter:
+
+`tldr ruff format`