transport: add page (tldr-pages#17616)

Co-authored-by: Dylan <[email protected]>

Author: 2 people

pages/cisco-ios/transport.md

@@ -0,0 +1,9 @@
+# transport
+
+> Manage line transport protocols.
+> Accessed in configuration mode under `line`.
+> More information: <https://www.cisco.com/c/en/us/td/docs/routers/sdwan/command/iosxe/qualified-cli-command-reference-guide/m-line-commands.pdf>.
+
+- Restrict line protocols to `ssh`:
+
+`transport input ssh`