ruget: add page (#8528)

pages/linux/ruget.md

@@ -0,0 +1,12 @@
+# ruget
+
+> Alternative to wget written in Rust.
+> More information: <https://github.com/ksk001100/ruget>.
+
+- Download the contents of a URL to a file:
+
+`ruget {{https://example.com/file}}`
+
+- Download the contents of a URL to a specified [o]utput file:
+
+`ruget --output {{file_name}} {{https://example.com/file}}`