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

@@ -1,24 +0,0 @@
-"use strict";
-Object.defineProperty(exports, "__esModule", { value: true });
-exports.parseSetDef = void 0;
-const errorMessages_js_1 = require("../errorMessages.js");
-const parseDef_js_1 = require("../parseDef.js");
-function parseSetDef(def, refs) {
-    const items = (0, parseDef_js_1.parseDef)(def.valueType._def, {
-        ...refs,
-        currentPath: [...refs.currentPath, "items"],
-    });
-    const schema = {
-        type: "array",
-        uniqueItems: true,
-        items,
-    };
-    if (def.minSize) {
-        (0, errorMessages_js_1.setResponseValueAndErrors)(schema, "minItems", def.minSize.value, def.minSize.message, refs);
-    }
-    if (def.maxSize) {
-        (0, errorMessages_js_1.setResponseValueAndErrors)(schema, "maxItems", def.maxSize.value, def.maxSize.message, refs);
-    }
-    return schema;
-}
-exports.parseSetDef = parseSetDef;