Docs: resized figs + added space under figs [no ci]

README.md

@@ -8,8 +8,11 @@ This is the official repository for the paper [_"Teacher-student approach for lu
 
 A pretrained model is made available in a command line tool and can be used as you please. However, the current model is not intended for clinical use. The model is the result of a proof-of-concept study. An improved model will be made available in the future, when more training data is made available.
 
-![sample of masked output](https://github.com/VemundFredriksen/LungTumorMask/releases/download/0.0.1/sample_images.png "Sample output of two different tumors")
-![sample of 3d render](https://github.com/VemundFredriksen/LungTumorMask/releases/download/0.0.1/sample_renders.png "3D render of two masked outputs")
+<img src="https://github.com/VemundFredriksen/LungTumorMask/releases/download/0.0.1/sample_images.png" width="70%">
+
+<img src="https://github.com/VemundFredriksen/LungTumorMask/releases/download/0.0.1/sample_renders.png" width="70%">
+
+&nbsp;
 
 ## [Installation](https://github.com/VemundFredriksen/LungTumorMask#installation)