refactor: Move Astro to root, use PORT env (default 80), allow all hosts

- Move Astro files from dealplustech-astro/ to project root
- Update Dockerfile: PORT environment variable (default 80)
- Add vite.config.ts with allowedHosts: true
- Matches nixpacks behavior for Easypanel deployment
- No hardcoded ports or domains

node_modules/astro/dist/runtime/server/hydration.d.ts

@@ -0,0 +1,27 @@
+import type { AstroComponentMetadata, SSRElement, SSRLoadedRenderer, SSRResult } from '../../types/public/internal.js';
+export interface HydrationMetadata {
+    directive: string;
+    value: string;
+    componentUrl: string;
+    componentExport: {
+        value: string;
+    };
+}
+type Props = Record<string | number | symbol, any>;
+interface ExtractedProps {
+    isPage: boolean;
+    hydration: HydrationMetadata | null;
+    props: Props;
+    propsWithoutTransitionAttributes: Props;
+}
+export declare function extractDirectives(inputProps: Props, clientDirectives: SSRResult['clientDirectives']): ExtractedProps;
+interface HydrateScriptOptions {
+    renderer: SSRLoadedRenderer;
+    result: SSRResult;
+    astroId: string;
+    props: Record<string | number, any>;
+    attrs: Record<string, string> | undefined;
+}
+/** For hydrated components, generate a <script type="module"> to load the component */
+export declare function generateHydrateScript(scriptOptions: HydrateScriptOptions, metadata: Required<AstroComponentMetadata>): Promise<SSRElement>;
+export {};