♻️ Restructure: Move Astro to repository root

BREAKING CHANGE: Astro project is now at repository root
- Removed dealplustech-astro subdirectory
- Moved all Astro files to root
- Updated PostCSS config to .cjs
- Removed old Next.js files

✅ 11 pages built successfully
✅ Cookie consent banner included
✅ Privacy/Terms links in footer
✅ Ready for Easypanel deployment (no root dir needed)

Migration path:
- Old structure: /dealplustech-astro/
- New structure: / (root)

dealplustech-astro/node_modules/parse-latin/lib/plugin/make-final-white-space-siblings.js

@@ -1,33 +0,0 @@
-/**
- * @typedef {import('nlcst').Paragraph} Paragraph
- * @typedef {import('nlcst').Root} Root
- */
-
-import {modifyChildren} from 'unist-util-modify-children'
-
-// Move white space ending a paragraph up, so they are the siblings of
-// paragraphs.
-export const makeFinalWhiteSpaceSiblings = modifyChildren(
-  /**
-   * @type {import('unist-util-modify-children').Modifier<Paragraph | Root>}
-   */
-
-  function (child, index, parent) {
-    if ('children' in child) {
-      const tail = child.children[child.children.length - 1]
-
-      if (tail && tail.type === 'WhiteSpaceNode') {
-        child.children.pop() // Remove `tail`.
-        parent.children.splice(index + 1, 0, tail)
-        const previous = child.children[child.children.length - 1]
-
-        if (previous && previous.position && child.position) {
-          child.position.end = previous.position.end
-        }
-
-        // Next, iterate over the current node again.
-        return index
-      }
-    }
-  }
-)