Set tesseract model

src/ai.ts

@@ -4,14 +4,20 @@ import { Audio } from './audio.ts';
 import {Vision} from './vision.ts';
 
 export type AiOptions = LLMOptions & {
+	/** Path to models */
+	path?: string;
+	/** Whisper ASR configuration */
 	whisper?: {
 		/** Whisper binary location */
 		binary: string;
 		/** Model: `ggml-base.en.bin` */
 		model: string;
 	}
-	/** Path to models */
-	path?: string;
+	/** Tesseract OCR configuration */
+	tesseract?: {
+		/** Model: eng, eng_best, eng_fast */
+		model?: string;
+	}
 }
 
 export class Ai {