docs: update readme with link to weald #3583

Job	Run time
Build	2m 45s
Test example js-libp2p-example-browser-pubsub	2m 16s
Test example js-libp2p-example-chat	1m 0s
Test example js-libp2p-example-circuit-relay	56s
Test example js-libp2p-example-connection-encryption	55s
Test example js-libp2p-example-custom-protocols	1m 42s
Test example js-libp2p-example-delegated-routing	2m 2s
Test example js-libp2p-example-discovery-mechanisms	2m 4s
Test example js-libp2p-example-peer-and-content-routing	1m 17s
Test example js-libp2p-example-pnet	1m 18s
Test example js-libp2p-example-protocol-and-stream-muxing	56s
Test example js-libp2p-example-pubsub	1m 21s
Test example js-libp2p-example-transports	1m 12s
Test example js-libp2p-example-webrtc-private-to-private	2m 6s
	21m 50s

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