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/mdast-util-find-and-replace/index.d.ts

@@ -0,0 +1,9 @@
+export { findAndReplace } from "./lib/index.js";
+export type FindAndReplaceList = import("./lib/index.js").FindAndReplaceList;
+export type FindAndReplaceTuple = import("./lib/index.js").FindAndReplaceTuple;
+export type Find = import("./lib/index.js").Find;
+export type Options = import("./lib/index.js").Options;
+export type RegExpMatchObject = import("./lib/index.js").RegExpMatchObject;
+export type ReplaceFunction = import("./lib/index.js").ReplaceFunction;
+export type Replace = import("./lib/index.js").Replace;
+//# sourceMappingURL=index.d.ts.map