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/oniguruma-to-es/dist/cjs/generate.d.ts

@@ -0,0 +1,27 @@
+/**
+@import {ToRegExpOptions} from './index.js';
+@import {RegexPlusAst} from './transform.js';
+@import {AlternativeNode, AssertionNode, BackreferenceNode, CapturingGroupNode, CharacterClassNode, CharacterClassRangeNode, CharacterNode, CharacterSetNode, FlagsNode, GroupNode, LookaroundAssertionNode, Node, QuantifierNode, SubroutineNode} from 'oniguruma-parser/parser';
+@import {Visitor} from 'oniguruma-parser/traverser';
+*/
+/**
+Generates a Regex+ compatible `pattern`, `flags`, and `options` from a Regex+ AST.
+@param {RegexPlusAst} ast
+@param {ToRegExpOptions} [options]
+@returns {{
+  pattern: string;
+  flags: string;
+  options: Object;
+  _captureTransfers: Map<number, Array<number>>;
+  _hiddenCaptures: Array<number>;
+}}
+*/
+export function generate(ast: RegexPlusAst, options?: ToRegExpOptions): {
+    pattern: string;
+    flags: string;
+    options: any;
+    _captureTransfers: Map<number, Array<number>>;
+    _hiddenCaptures: Array<number>;
+};
+import type { RegexPlusAst } from './transform.js';
+import type { ToRegExpOptions } from './index.js';