feat(includeFiles): support {from, to} object form for custom serve paths

includeFiles now accepts string | {from, to} entries. The object form
allows specifying a custom serve path (e.g. ./html/index.html -> index.html)
for base64ts bundled content.

ts/interfaces/index.ts

@@ -17,13 +17,15 @@ export interface IEnvTransportOptions {
 export type TOutputMode = 'bundle' | 'base64ts';
 export type TBundler = 'esbuild' | 'rolldown' | 'rspack';
 
+export type TIncludeFile = string | { from: string; to: string };
+
 export interface IBundleConfig {
   from: string;
   to: string;
   outputMode?: TOutputMode;
   bundler?: TBundler;
   production?: boolean;
-  includeFiles?: string[];
+  includeFiles?: TIncludeFile[];
   maxLineLength?: number; // For base64ts output: max chars per line. 0 or undefined = unlimited (default)
 }