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

television/cable/pdf-files.toml

@@ -0,0 +1,24 @@
+[metadata]
+name = "pdf-files"
+description = "Browse PDF files"
+requirements = ["fd", "pdftotext"]
+
+[source]
+command = [
+  { name = "Default", run = "fd -t f -e pdf ." },
+  { name = "Hidden",  run = "fd -t f -e pdf -H ." },
+]
+
+[preview]
+command = "pdftotext -l 2 -layout '{}' - 2>/dev/null | head -100 || file '{}'"
+
+[ui]
+layout = "portrait"
+
+[keybindings]
+enter = "actions:open"
+
+[actions.open]
+description = "Open the selected PDF with default viewer"
+command = "xdg-open {} 2>/dev/null || open {}"
+mode = "fork"