Update inter-site links.

index.html

@@ -117,6 +117,7 @@ <h1>Raspberry Pi Pico Pinout</h1>
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         <p><a title="Raspberry Pi Pico W Pinout" href="https://picow.pinout.xyz/">Pico W Pinout</a>
+| <a title="Raspberry Pi Pico 2 Pinout" href="https://pico2.pinout.xyz/">Pico 2 Pinout</a>
 | <a title="Raspberry Pi Pico Datasheet (PDF)" href="https://datasheets.raspberrypi.com/pico/pico-datasheet.pdf">Pico Datasheet</a>
 | <a title="Raspberry Pi RP2040 Datasheet (PDF) for in-depth information about the Pico W's RP2040 chip, peripherals and PIO." href="https://datasheets.raspberrypi.com/rp2040/rp2040-datasheet.pdf">RP2040 Datasheet</a>
 | <a title="Getting Started With Raspberry Pi Pico (PDF)" href="https://datasheets.raspberrypi.com/pico/getting-started-with-pico.pdf">Getting Started Guide</a>