Update README.md

Author: HalfstarDev

README.md

@@ -1,4 +1,4 @@
-![banner](/docs/images/banner.webp)
+![banner](/docs/images/banner.jpg)
 # Defold-Mic
 
 A Defold extension for microphone recording via [miniaudio](https://miniaud.io/).
@@ -168,4 +168,4 @@ APPLE_MIC_PERMISSION_GRANTED        = 3,
 
 ```lua
 local status = mic.get_permission_status()
-```
+```