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/regex/dist/esm/pattern.d.ts

@@ -0,0 +1,43 @@
+export class Pattern {
+    /** @param {string} value */
+    constructor(value: string);
+    /** @returns {string} */
+    toString(): string;
+    #private;
+}
+/**
+Returns a value that can be interpolated into a `regex` template string without having its special
+characters escaped.
+
+Can be called as a function or template tag:
+- `pattern(value)` - String or value coerced to string.
+- `` pattern`…` `` - Same as ``pattern(String.raw`…`)``.
+
+@overload
+@param {string | number} value
+@returns {Pattern}
+
+@overload
+@param {TemplateStringsArray} template
+@param {...string} substitutions
+@returns {Pattern}
+*/
+export function pattern(value: string | number): Pattern;
+/**
+Returns a value that can be interpolated into a `regex` template string without having its special
+characters escaped.
+
+Can be called as a function or template tag:
+- `pattern(value)` - String or value coerced to string.
+- `` pattern`…` `` - Same as ``pattern(String.raw`…`)``.
+
+@overload
+@param {string | number} value
+@returns {Pattern}
+
+@overload
+@param {TemplateStringsArray} template
+@param {...string} substitutions
+@returns {Pattern}
+*/
+export function pattern(template: TemplateStringsArray, ...substitutions: string[]): Pattern;