♻️ 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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✅ 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/v4/classic/errors.js

@@ -1,41 +0,0 @@
-import * as core from "../core/index.js";
-import { $ZodError } from "../core/index.js";
-const initializer = (inst, issues) => {
-    $ZodError.init(inst, issues);
-    inst.name = "ZodError";
-    Object.defineProperties(inst, {
-        format: {
-            value: (mapper) => core.formatError(inst, mapper),
-            // enumerable: false,
-        },
-        flatten: {
-            value: (mapper) => core.flattenError(inst, mapper),
-            // enumerable: false,
-        },
-        addIssue: {
-            value: (issue) => inst.issues.push(issue),
-            // enumerable: false,
-        },
-        addIssues: {
-            value: (issues) => inst.issues.push(...issues),
-            // enumerable: false,
-        },
-        isEmpty: {
-            get() {
-                return inst.issues.length === 0;
-            },
-            // enumerable: false,
-        },
-    });
-    // Object.defineProperty(inst, "isEmpty", {
-    //   get() {
-    //     return inst.issues.length === 0;
-    //   },
-    // });
-};
-export const ZodError = core.$constructor("ZodError", initializer);
-export const ZodRealError = core.$constructor("ZodError", initializer, {
-    Parent: Error,
-});
-// /** @deprecated Use `z.core.$ZodErrorMapCtx` instead. */
-// export type ErrorMapCtx = core.$ZodErrorMapCtx;