♻️ 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-ts/dist/index.d.ts

@@ -1,34 +0,0 @@
-import { ZodTypeAny } from 'zod';
-import ts from 'typescript';
-
-type ZodToTsOptions = {
-    /** @deprecated use `nativeEnums` instead */
-    resolveNativeEnums?: boolean;
-    nativeEnums?: 'identifier' | 'resolve' | 'union';
-};
-declare const resolveOptions: (raw?: ZodToTsOptions) => {
-    resolveNativeEnums?: boolean | undefined;
-    nativeEnums: 'identifier' | 'resolve' | 'union';
-};
-type ResolvedZodToTsOptions = ReturnType<typeof resolveOptions>;
-type ZodToTsStore = {
-    nativeEnums: ts.EnumDeclaration[];
-};
-type ZodToTsReturn = {
-    node: ts.TypeNode;
-    store: ZodToTsStore;
-};
-type GetTypeFunction = (typescript: typeof ts, identifier: string, options: ResolvedZodToTsOptions) => ts.Identifier | ts.TypeNode;
-type GetType = {
-    _def: {
-        getType?: GetTypeFunction;
-    };
-};
-
-declare const createTypeAlias: (node: ts.TypeNode, identifier: string, comment?: string) => ts.TypeAliasDeclaration;
-declare const printNode: (node: ts.Node, printerOptions?: ts.PrinterOptions) => string;
-declare const withGetType: <T extends ZodTypeAny & GetType>(schema: T, getType: GetTypeFunction) => T;
-
-declare const zodToTs: (zod: ZodTypeAny, identifier?: string, options?: ZodToTsOptions) => ZodToTsReturn;
-
-export { GetType, ZodToTsOptions, createTypeAlias, printNode, withGetType, zodToTs };