fixed broken figures

Author: MarcelRosier

panoptica/example_spine_matched_instance.ipynb

@@ -79,7 +79,7 @@
         "To demonstrate we use a reference and predicition of spine a segmentation with matched instances.\n",
         "\n",
         "\n",
-        "<img src=\"./spine_seg/matched_instance/fig_dark.png\" alt=\"matched_instance_figure\" height=\"300\"/>\n"
+        "<img src=\"https://github.com/BrainLesion/panoptica/blob/main/examples/figures/matched_instance.png?raw=true\" alt=\"matched_instance_figure\" height=\"300\"/>\n"
       ]
     },
     {

panoptica/example_spine_semantic.ipynb

@@ -80,7 +80,7 @@
         "To demonstrate we use a reference and predicition of spine a segmentation without instances.\n",
         "\n",
         "\n",
-        "<img src=\"./spine_seg/semantic/fig_dark.png\" alt=\"matched_instance_figure\" height=\"300\"/>"
+        "<img src=\"https://github.com/BrainLesion/panoptica/blob/main/examples/figures/semantic.png?raw=true\" alt=\"semantic_figure\" height=\"300\"/>"
       ]
     },
     {

panoptica/example_spine_unmatched_instance.ipynb

@@ -80,7 +80,7 @@
         "To demonstrate we use a reference and predicition of spine a segmentation with unmatched instances.\n",
         "\n",
         "\n",
-        "<img src=\"./spine_seg/unmatched_instance/fig_dark.png\" alt=\"unmatched_instance_figure\" height=\"300\"/>"
+        "<img src=\"https://github.com/BrainLesion/panoptica/blob/main/examples/figures/unmatched_instance.png?raw=true\" alt=\"unmatched_instance_figure\" height=\"300\"/>\n"
       ]
     },
     {