moved etc into usr folder

files/system/usr/etc/skel/.tmux/plugins/tmux-yank/citest

@@ -0,0 +1,30 @@
+#!/bin/bash
+
+set -euo pipefail
+
+cd "$(dirname "$0")"
+
+bash_scripts=(
+    yank.tmux
+    scripts/*.sh
+)
+
+set -x
+docker run \
+    --rm \
+    --volume="${PWD}:/mnt:ro" \
+    --workdir="/mnt" \
+    bash:latest \
+    bash -Dn "${bash_scripts[@]}"
+
+docker run \
+    --rm \
+    --volume="${PWD}:/mnt:ro" \
+    --workdir="/mnt" \
+    koalaman/shellcheck:stable \
+    --shell=bash \
+    --external-sources \
+    --color=always \
+    "${bash_scripts[@]}"
+
+# EOF