♻️ 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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✅ Ready for Easypanel deployment (no root dir needed)

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

dealplustech-astro/node_modules/property-information/lib/util/info.js

@@ -1,32 +0,0 @@
-/**
- * @import {Info as InfoType} from 'property-information'
- */
-
-/** @type {InfoType} */
-export class Info {
-  /**
-   * @param {string} property
-   *   Property.
-   * @param {string} attribute
-   *   Attribute.
-   * @returns
-   *   Info.
-   */
-  constructor(property, attribute) {
-    this.attribute = attribute
-    this.property = property
-  }
-}
-
-Info.prototype.attribute = ''
-Info.prototype.booleanish = false
-Info.prototype.boolean = false
-Info.prototype.commaOrSpaceSeparated = false
-Info.prototype.commaSeparated = false
-Info.prototype.defined = false
-Info.prototype.mustUseProperty = false
-Info.prototype.number = false
-Info.prototype.overloadedBoolean = false
-Info.prototype.property = ''
-Info.prototype.spaceSeparated = false
-Info.prototype.space = undefined