Add screenshots

README.md

@@ -1,11 +1,21 @@
 # Splirate
 
+![Splirate logo](./logo.png)
+
 Allows you to download Splice samples from the browser by decrypting the preview audio.
 
 I didn't read or write the code.
 
 WTFPL licensed.
 
+## Screenshots
+
+![Splirate history view](./screenshot-history.png)
+
+![Splirate on Splice playbar](./screenshot-player.png)
+
+![Splirate popup view](./screenshot-popup.png)
+
 ## Load in Firefox (Temporary Add-on)
 
 1. Open `about:debugging#/runtime/this-firefox`