What is email-html-mjml?
Responsive HTML email template generation using MJML 4.x framework. Use when the user asks to create, generate, design, or build an email template — including welcome emails, promotional blasts, transactional templates, newsletters, or any responsive email. Also use when the user asks to compile MJML to HTML, work with or edit existing MJML templates, or troubleshoot email rendering issues across clients. Source: framix-team/skill-email-html-mjml.