lf: fix lf image previews with chafa v1.14+

diff --git a/dot-local/bin/chafa b/dot-local/bin/chafa
new file mode 100755 (executable)
index 0000000..0954d74
--- /dev/null
+++ b/dot-local/bin/chafa
@@ -0,0 +1,4 @@
+#!/bin/sh
+
+exec /usr/sbin/chafa --polite=on "$@"
+