feat(cable): add extensive television cable channel configurations and related files

television/cable/channels.toml

@@ -0,0 +1,19 @@
+[metadata]
+name = "channels"
+description = "Select a television channel"
+requirements = ["tv", "bat"]
+
+[source]
+command = ["tv list-channels"]
+
+[preview]
+command = "bat -pn --color always ${TELEVISION_CONFIG:-${XDG_CONFIG_HOME:-$HOME/.config}/television}/cable/{}.toml"
+shell = "bash"
+
+[keybindings]
+enter = "actions:channel-enter"
+
+[actions.channel-enter]
+description = "Enter a television channel"
+command = "tv {}"
+mode = "execute"