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/@oslojs/encoding/README.md

@@ -0,0 +1,23 @@
+# @oslojs/encoding
+
+**Documentation: https://encoding.oslojs.dev**
+
+A JavaScript library for encoding and decoding data with hexadecimal, base32, base64, and base64url encoding schemes based on [RFC 4648](https://datatracker.ietf.org/doc/html/rfc4648). Implementations may be stricter than most to follow the RFC as close as possible.
+
+- Runtime-agnostic
+- No third-party dependencies
+- Fully typed
+
+```ts
+import { encodeBase64, decodeBase64 } from "@oslojs/encoding";
+
+const data: Uint8Array = new TextEncoder().encode("hello world");
+const encoded = encodeBase64(data);
+const decoded = decodeBase64(encoded);
+```
+
+## Installation
+
+```
+npm i @oslojs/encoding
+```