Move pages under tldr, lint run.sh, update docs

tldr/linux/nmcli-radio

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+---
+syntax: markdown
+tags: [tldr, linux]
+source: https://github.com/tldr-pages/tldr.git
+---
+# nmcli radio
+
+> Show the status of radio switches or enable/disable them using NetworkManager.
+> This subcommand can also be called with `nmcli r`.
+> More information: <https://networkmanager.dev/docs/api/latest/nmcli.html>.
+
+- Show status of Wi-Fi:
+
+`nmcli radio wifi`
+
+- Turn Wi-Fi on or off:
+
+`nmcli radio wifi {{on|off}}`
+
+- Show status of WWAN:
+
+`nmcli radio wwan`
+
+- Turn WWAN on or off:
+
+`nmcli radio wwan {{on|off}}`
+
+- Show status of both switches:
+
+`nmcli radio all`
+
+- Turn both switches on or off:
+
+`nmcli radio all {{on|off}}`