feat: migrate Hugo Bootstrap theme to latest Hugo with Tailwind CSS and refactor codebase

* replace Bootstrap-based styling with Tailwind CSS
* update theme compatibility for latest Hugo version
* refactor templates and partials
* fix outdated code and broken components
* improve project structure and maintainability
* optimize styling and frontend build setup

exampleSite/content/english/sections/call-to-action.md

@@ -0,0 +1,17 @@
+---
+enable: true
+title: "LET'S WORK TOGETHER"
+image: "/images/cta-background.jpg"
+button_primary:
+  enable: true
+  label: "Not Convinced"
+  link: "/portfolio"
+button_secondary:
+  enable: true
+  label: "Submit Query"
+  link: "/contact"
+
+# don't create a separate page
+build:
+  render: "never"
+---