Create ocr_result.md

docs/docs_en/api/vision_results/ocr_result.md

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+# OCR Results
+
+The OCRResult function is defined in `fastdeploy/vision/common/result.h` , indicating the text box detected from the image, the text box direction classification, and the text content inside the text box.
+
+## C++ Definition
+
+```c++
+fastdeploy::vision::OCRResult
+```
+
+```c++
+struct OCRResult {
+  std::vector<std::array<int, 8>> boxes;
+  std::vector<std::string> text;
+  std::vector<float> rec_scores;
+  std::vector<float> cls_scores;
+  std::vector<int32_t> cls_labels;
+  ResultType type = ResultType::OCR;
+  void Clear();
+  std::string Str();
+};
+```
+
+- **boxes**: Member variable that indicates the coordinates of all object boxes detected in a single image. `boxes.size()` indicates the number of boxes detected in a single image, with each box's 4 coordinate points being represented in order of 8 int values: lower left, lower right, upper right, upper left.
+- **text**: Member variable that indicates the text content of multiple identified text boxes, with the same number of elements as `boxes.size()`.
+- **rec_scores**: Member variable that indicates the confidence level of the text identified in the text box, with the same number of elements as `boxes.size()`.
+- **cls_scores**: Member variable that indicates the confidence level of the classification result of the text box, with the same number of elements as `boxes.size()`.
+- **cls_labels**: Member variable that indicates the direction classification of the text box, with the same number of elements as `boxes.size()`.
+- **Clear()**: Member function that clears the results stored in a struct.
+- **Str()**: Member function that outputs the information in the struct as a string (for Debug)
+
+## Python Definition
+
+```python
+fastdeploy.vision.OCRResult  
+```
+
+- **boxes**: Member variable that indicates the coordinates of all object boxes detected in a single image. `boxes.size()` indicates the number of boxes detected in a single image, with each box's 4 coordinate points being represented in order of 8 int values: lower left, lower right, upper right, upper left.
+- **text**: Member variable that indicates the text content of multiple identified text boxes, with the same number of elements as `boxes.size()`.
+- **rec_scores**: Member variable that indicates the confidence level of the text identified in the text box, with the same number of elements as `boxes.size()`.
+- **cls_scores**: Member variable that indicates the confidence level of the classification result of the text box, with the same number of elements as `boxes.size()`.
+- **cls_labels**: Member variable that indicates the direction classification of the text box, with the same number of elements as `boxes.size()`.