chore: use capsule svg logo in readme (#1401)

Signed-off-by: GitHub <[email protected]>

Author: aslafy-z

README.md

@@ -23,7 +23,7 @@
 </p>
 
 <p align="center">
-  <img src="assets/logo/capsule_medium.png" />
+  <img src="assets/logo/capsule.svg" height=560 />
 </p>
 
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