Fix image dimensions ins readme

Author: dryas

README.md

@@ -10,8 +10,10 @@ Currently the following modules are included:
 
 - ESP32 Wroom 32
 
-<img src="https://github.com/dryas/librepcb_esp32/raw/main/images/symbol.png" height="306">
-<img src="https://github.com/dryas/librepcb_esp32/raw/main/images/footprint.png" height="306">
+<p float="left">
+<img src="https://github.com/dryas/librepcb_esp32/raw/main/images/symbol.png" height="300">
+<img src="https://github.com/dryas/librepcb_esp32/raw/main/images/footprint.png" height="300">
+</p>
 
 ## License