feat: docs and script improvements

script/test

@@ -1,15 +0,0 @@
-#!/usr/bin/env bash
-set -euo pipefail
-
-IMAGE=${IMAGE:-"andrejusk/dotfiles"}
-tag=${TAG:-$(cat /proc/sys/kernel/random/uuid)}
-
-docker build . \
-    --build-arg UUID=$tag \
-    --cache-from $IMAGE \
-    --tag $IMAGE:$tag \
-    --target test
-
-docker run \
-    -v "$(pwd)"/logs:/home/test-user/.dotfiles/logs \
-    $IMAGE:$tag