feat: Add document scanner package

packages/paperless_document_scanner/ios/Classes/image_processor.hpp

@@ -0,0 +1,13 @@
+#include <opencv2/opencv.hpp>
+
+using namespace cv;
+using namespace std;
+
+
+class ImageProcessor {
+    public:
+    static Mat process_image(Mat img, float x1, float y1, float x2, float y2, float x3, float y3, float x4, float y4);
+
+    private:
+    static Mat crop_and_transform(Mat img, float x1, float y1, float x2, float y2, float x3, float y3, float x4, float y4);
+};