♻️ 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

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

dealplustech-astro/node_modules/parse-latin/lib/plugin/merge-non-word-sentences.js

@@ -1,56 +0,0 @@
-/**
- * @typedef {import('nlcst').Paragraph} Paragraph
- */
-
-import {modifyChildren} from 'unist-util-modify-children'
-
-// Merge a sentence into the following sentence, when the sentence does not
-// contain word tokens.
-export const mergeNonWordSentences = modifyChildren(
-  /**
-   * @type {import('unist-util-modify-children').Modifier<Paragraph>}
-   */
-  function (child, index, parent) {
-    if ('children' in child) {
-      let position = -1
-
-      while (child.children[++position]) {
-        if (child.children[position].type === 'WordNode') {
-          return
-        }
-      }
-
-      const previous = parent.children[index - 1]
-
-      if (previous && 'children' in previous) {
-        previous.children.push(...child.children)
-
-        // Remove the child.
-        parent.children.splice(index, 1)
-
-        // Patch position.
-        if (previous.position && child.position) {
-          previous.position.end = child.position.end
-        }
-
-        // Next, iterate over the node *now* at the current position (which was the
-        // next node).
-        return index
-      }
-
-      const next = parent.children[index + 1]
-
-      if (next && 'children' in next) {
-        next.children.unshift(...child.children)
-
-        // Patch position.
-        if (next.position && child.position) {
-          next.position.start = child.position.start
-        }
-
-        // Remove the child.
-        parent.children.splice(index, 1)
-      }
-    }
-  }
-)