Mirror www.mitsuthailand.com as static site with dynamic URLs

- Full static mirror of the YellowPages/Drupal site (39 pages + all assets)
- All URLs rewritten to relative/domain-agnostic form (works on any domain)
- RFQ + request-quotation + contact forms converted to email (FormSubmit.co)
- Google Maps embed replaced with static Google Maps iframe
- nginx Dockerfile + config for EasyPanel deployment
- mirror.py/rewrite.py/cleanup.py tooling for re-crawling updates

site/core/misc/icons/787878/twistie-down.svg

@@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16"><path fill="#787878" d="M2.611 5.393c-.17-.216-.084-.393.191-.393h10.397c.275 0 .361.177.191.393l-5.08 6.464c-.17.216-.452.216-.622 0l-5.077-6.464z"/></svg>

site/core/misc/icons/787878/twistie-up.svg

@@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16"><path fill="#787878" d="M13.391 10.607c.17.216.084.393-.191.393h-10.398c-.275 0-.361-.177-.191-.393l5.08-6.464c.17-.216.45-.216.62 0l5.08 6.464z"/></svg>