feat: add scripts to view themes and take their screenshots

themes/view.sh

@@ -0,0 +1,18 @@
+#!/usr/bin/env bash
+set -e
+
+MYSELF=$(realpath "$0")
+MYDIR=$(dirname "$MYSELF")
+
+LIDM_PATH=${LIDM_PATH:-$(command which lidm)}
+echo "Using '$LIDM_PATH'"
+[[ -e "$LIDM_PATH" ]] || { echo "'$LIDM_PATH' is not executable" >&2; exit 1; }
+
+echo "Press \`Ctrl + C\` once you are done viewing the theme"
+sleep 3
+
+for theme in "$MYDIR/"*.ini; do
+    LIDM_CONF="$theme" "$LIDM_PATH" || :
+    echo "That was '$(basename "$theme")'"
+    sleep 2 || :
+done