🔧 Restructure entrypoint scripts and update configs 🔧

- Removed legacy entrypoint.sh from rootfs/usr/local/bin and functions directory
- Added new healthcheck script to rootfs/usr/local/bin
- Updated copy and symlink helper scripts in rootfs/usr/local/bin
- Refreshed environment templates and example configs for services
- Updated Dockerfile and .env.scripts to align with new layout

Dockerfile
.env.scripts
rootfs/usr/local/bin/copy
rootfs/usr/local/bin/entrypoint.sh
rootfs/usr/local/bin/healthcheck
rootfs/usr/local/bin/symlink
rootfs/usr/local/etc/docker/functions/entrypoint.sh
rootfs/usr/local/share/template-files/config/env/default.sample
rootfs/usr/local/share/template-files/config/env/examples/addresses.sh
rootfs/usr/local/share/template-files/config/env/examples/healthcheck.sh
rootfs/usr/local/share/template-files/config/env/examples/mariadb.sh
rootfs/usr/local/share/template-files/config/env/examples/php.sh
rootfs/usr/local/share/template-files/config/env/examples/postgres.sh
rootfs/usr/local/share/template-files/config/env/examples/webservers.sh
rootfs/usr/local/share/template-files/config/env/examples/zz-entrypoint.sh

rootfs/usr/local/share/template-files/config/env/examples/healthcheck.sh

@@ -1,5 +1,12 @@
 # - - - - - - - - - - - - - - - - - - - - - - - - -
 # healthcheck
-HEALTH_ENABLED="${HEALTH_ENABLED:-}"
-HEALTH_URL="${HEALTH_URL:-}"
+HEALTHCHECK_URL="${HEALTHCHECK_URL:-}"
+HEALTHCHECK_HTTP_STATUS="${HEALTHCHECK_HTTP_STATUS:-2,3}"
+HEALTHCHECK_HOST="${HEALTHCHECK_HOST:-127.0.0.1}"
+HEALTHCHECK_PORT="${HEALTHCHECK_PORT:-}"
+HEALTHCHECK_PROCESS="${HEALTHCHECK_PROCESS:-systemd}"
+HEALTHCHECK_FILE="${HEALTHCHECK_FILE:-}"
+HEALTHCHECK_FILE_MAX_AGE="${HEALTHCHECK_FILE_MAX_AGE:-}"
+HEALTHCHECK_TIMEOUT="${HEALTHCHECK_TIMEOUT:-5}"
+HEALTHCHECK_VERBOSE="${HEALTHCHECK_VERBOSE:-}"
 # - - - - - - - - - - - - - - - - - - - - - - - - -