Update README.md

Author: sasilva1998

README.md

@@ -10,7 +10,7 @@ cam = ov2640.ov2640(sclpin=22, sdapin=21, cspin=15, sckpin=14, mosipin=13, misop
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 ### I²C
-SCL -> GPIO22
+SCL -> GPIO22\n
 SDA -> GPIO21
 
 ### SPI