♻️ 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/create.js

@@ -1,69 +0,0 @@
-/**
- * @import {Info, Space} from 'property-information'
- */
-
-/**
- * @typedef Definition
- *   Definition of a schema.
- * @property {Record<string, string> | undefined} [attributes]
- *   Normalzed names to special attribute case.
- * @property {ReadonlyArray<string> | undefined} [mustUseProperty]
- *   Normalized names that must be set as properties.
- * @property {Record<string, number | null>} properties
- *   Property names to their types.
- * @property {Space | undefined} [space]
- *   Space.
- * @property {Transform} transform
- *   Transform a property name.
- */
-
-/**
- * @callback Transform
- *   Transform.
- * @param {Record<string, string>} attributes
- *   Attributes.
- * @param {string} property
- *   Property.
- * @returns {string}
- *   Attribute.
- */
-
-import {normalize} from '../normalize.js'
-import {DefinedInfo} from './defined-info.js'
-import {Schema} from './schema.js'
-
-/**
- * @param {Definition} definition
- *   Definition.
- * @returns {Schema}
- *   Schema.
- */
-export function create(definition) {
-  /** @type {Record<string, Info>} */
-  const properties = {}
-  /** @type {Record<string, string>} */
-  const normals = {}
-
-  for (const [property, value] of Object.entries(definition.properties)) {
-    const info = new DefinedInfo(
-      property,
-      definition.transform(definition.attributes || {}, property),
-      value,
-      definition.space
-    )
-
-    if (
-      definition.mustUseProperty &&
-      definition.mustUseProperty.includes(property)
-    ) {
-      info.mustUseProperty = true
-    }
-
-    properties[property] = info
-
-    normals[normalize(property)] = property
-    normals[normalize(info.attribute)] = property
-  }
-
-  return new Schema(properties, normals, definition.space)
-}