fix: update tutorial link

app.py

@@ -81,7 +81,7 @@ def get_homography_values(matched_lines1, matched_lines2, torch_img1):
     return H_ransac, correspondence_mask, img1_warp_to2
 
 
-description = """In this space you can try out Line Detection and Segment Matching with the Kornia library as seen in [this tutorial](https://kornia-tutorials.readthedocs.io/en/latest/line_detection_and_matching_sold2.html).
+description = """In this space you can try out Line Detection and Segment Matching with the Kornia library as seen in [this tutorial](https://kornia.github.io/tutorials/#category=Line%20matching).
 
 Just upload two images of a scene with different view points, choose an option for output and run the demo.
 """