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

television/cable/git-diff.toml

@@ -0,0 +1,34 @@
+[metadata]
+name = "git-diff"
+description = "A channel to select files from git diff commands"
+requirements = ["git"]
+
+[source]
+command = "git diff --name-only HEAD"
+
+[preview]
+command = "git diff HEAD --color=always -- '{}'"
+
+[ui]
+layout = "portrait"
+
+[keybindings]
+ctrl-s = "actions:stage"
+ctrl-r = "actions:restore"
+ctrl-e = "actions:edit"
+
+[actions.stage]
+description = "Stage the selected file"
+command = "git add {}"
+mode = "fork"
+
+[actions.restore]
+description = "Discard changes in the selected file"
+command = "git restore {}"
+mode = "fork"
+
+[actions.edit]
+description = "Open the selected file in editor"
+command = "${EDITOR:-vim} {}"
+shell = "bash"
+mode = "execute"