tools: env-generator: handle ENABLE_SSL value cases ( lower, upper, ...)

Author: maany

tools/env-generator/src/templates/.env.liquid

@@ -1,5 +1,6 @@
 [public]
-{% if context['ENABLE_SSL'] == 'true' %}
+{% assign enable_ssl = context['ENABLE_SSL'] | downcase %}
+{% if enable_ssl == 'true' %}
 NEXT_PUBLIC_WEBUI_HOST=https://{{ context["HOSTNAME"] }}
 {% else %}
 NEXT_PUBLIC_WEBUI_HOST=http://{{ context["HOSTNAME"] }}