Add test samples to the documents

[andrii-kl]

I have found useful test samples in the third party repository. It would be great to add some additional cases and put all of them to the official ENS documents.

offchainexample.eth -> 0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045
1.offchainexample.eth -> 0x41563129cdbbd0c5d3e1c86cf9563926b243834d //This relies on wildcard resolution support
2.offchainexample.eth -> 0x41563129cdbbd0c5d3e1c86cf9563926b243834d //This relies on wildcard resolution support
ricmoose.hatch.eth -> error / 0x0000000000000000000000000000000000000000
hweeboon.eth -> 0xbbce83173d5c1D122AE64856b4Af0D5AE07Fa362