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.map

@@ -0,0 +1 @@
+{"version":3,"file":"index.d.ts","sourceRoot":"","sources":["index.js"],"names":[],"mappings":";iCACa,OAAO,gBAAgB,EAAE,kBAAkB;kCAC3C,OAAO,gBAAgB,EAAE,mBAAmB;mBAC5C,OAAO,gBAAgB,EAAE,IAAI;sBAC7B,OAAO,gBAAgB,EAAE,OAAO;gCAChC,OAAO,gBAAgB,EAAE,iBAAiB;8BAC1C,OAAO,gBAAgB,EAAE,eAAe;sBACxC,OAAO,gBAAgB,EAAE,OAAO"}