ruby: add French translation, update page (#10817)

* ruby: add French translation, update page

---------

Co-authored-by: K.B.Dharun Krishna <kbdharunkrishna@gmail.com>

pages/common/ruby.md

@@ -20,6 +20,10 @@
 
 `ruby -run -e httpd`
 
+- Locally execute a Ruby binary without installing the required library it depends on:
+
+`ruby -I {{path/to/library_folder}} -r {{library_require_name}} {{path/to/bin_folder/bin_name}}`
+
 - Show the version of Ruby you are using:
 
 `ruby -v`