hosts/web-2: Read feeds from different directory

pkgs/feeds-dir/feeds-dir.sh

@@ -2,6 +2,8 @@
 
 set -euo pipefail
 
-for file in ./*.txt; do
+IN_DIR="${1:-.}"
+
+for file in "${IN_DIR}"/*.txt; do
 	rainbowrss --feeds "${file}" --out "$(basename "${file}" ".txt").html" || true
 done