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/dist/index.js

@@ -0,0 +1,3 @@
+export { encodeHexLowerCase, encodeHexUpperCase, decodeHex } from "./hex.js";
+export { encodeBase32, encodeBase32NoPadding, encodeBase32LowerCase, encodeBase32LowerCaseNoPadding, encodeBase32UpperCase, encodeBase32UpperCaseNoPadding, decodeBase32, decodeBase32IgnorePadding } from "./base32.js";
+export { encodeBase64, encodeBase64NoPadding, encodeBase64url, encodeBase64urlNoPadding, decodeBase64, decodeBase64IgnorePadding, decodeBase64url, decodeBase64urlIgnorePadding } from "./base64.js";