mono: add page (#4212)

* mono: add page

* Apply suggestions from code review

Co-authored-by: Starbeamrainbowlabs <sbrl@starbeamrainbowlabs.com>
Co-authored-by: Taryn <Phrohdoh@users.noreply.github.com>

* Update mono.md

Co-authored-by: Axel Navarro <navarroaxel@gmail.com>
Co-authored-by: Starbeamrainbowlabs <sbrl@starbeamrainbowlabs.com>
Co-authored-by: Taryn <Phrohdoh@users.noreply.github.com>

pages/linux/mono.md

@@ -0,0 +1,12 @@
+# mono
+
+> Runtime for the .NET Framework.
+> More information: <https://www.mono-project.com/docs/>.
+
+- Run a .NET assembly in debug mode:
+
+`mono --debug {{path/to/program.exe}}`
+
+- Run a .NET assembly:
+
+`mono {{path/to/program.exe}}`