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/assets/fonts/utils.d.ts

@@ -0,0 +1,20 @@
+import type * as unifont from 'unifont';
+import type { CssProperties, FontType, GenericFallbackName } from './types.js';
+/**
+ * Turns unifont font face data into generic CSS properties, to be consumed by the CSS renderer.
+ */
+export declare function unifontFontFaceDataToProperties(font: Partial<unifont.FontFaceData>): CssProperties;
+export declare function renderFontWeight(weight: unifont.FontFaceData['weight']): string | undefined;
+/**
+ * Turns unifont font face data src into a valid CSS property.
+ * Adapted from https://github.com/nuxt/fonts/blob/main/src/css/render.ts#L68-L81
+ */
+export declare function renderFontSrc(sources: Exclude<unifont.FontFaceData['src'][number], string>[]): string;
+/**
+ * Removes the quotes from a string. Used for family names
+ */
+export declare function withoutQuotes(str: string): string;
+export declare function isFontType(str: string): str is FontType;
+export declare function isGenericFontFamily(str: string): str is GenericFallbackName;
+export declare function dedupe<const T extends Array<any>>(arr: T): T;
+export declare function sortObjectByKey<T extends Record<string, any>>(unordered: T): T;