add: type for recognition

src/electron/backend/recognition.ts

@@ -0,0 +1,13 @@
+type RecognitionResult = RecognitionLine[];
+type Pixels = number;
+type OriginX = Pixels;
+type OriginY = Pixels;
+type Width = Pixels;
+type Height = Pixels;
+type Coordinates = [OriginX, OriginY, Width, Height];
+
+interface RecognitionLine {
+    text: string;
+    confidence?: number | number[];
+    position?: Coordinates;
+}