♻️ 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
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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/zod-to-json-schema/dist/cjs/parsers/nativeEnum.js

@@ -1,20 +0,0 @@
-"use strict";
-Object.defineProperty(exports, "__esModule", { value: true });
-exports.parseNativeEnumDef = void 0;
-function parseNativeEnumDef(def) {
-    const object = def.values;
-    const actualKeys = Object.keys(def.values).filter((key) => {
-        return typeof object[object[key]] !== "number";
-    });
-    const actualValues = actualKeys.map((key) => object[key]);
-    const parsedTypes = Array.from(new Set(actualValues.map((values) => typeof values)));
-    return {
-        type: parsedTypes.length === 1
-            ? parsedTypes[0] === "string"
-                ? "string"
-                : "number"
-            : ["string", "number"],
-        enum: actualValues,
-    };
-}
-exports.parseNativeEnumDef = parseNativeEnumDef;