92a4ed05d1036b45e8274d8bbadfd59b3d487365 doc: add tr() descriptor example to deriveaddresses (FractalEncrypt)
Pull request description:
This simple PR adds a missing tr() descriptor example to the `help deriveaddresses` examples.
- The functionality added in https://github.com/bitcoin/bitcoin/pull/24043 is a significant departure from legacy multisig address creation, yet there is no corresponding tr() descriptor example in the help.
- Having this example in combination with the examples in the descriptors documentation will be helpful to users.
I needed this information to correctly create a tr multisig address but was unable. I had to leave the software and use a 3rd party site to ask two separate questions ([1](https://bitcoin.stackexchange.com/questions/115700/how-do-i-create-a-taproot-multisig-address-requiring-21-of-210-keys-to-spend), [2](https://bitcoin.stackexchange.com/questions/115742/signing-psbts-to-spend-from-taproot-multisig-address)) to create an address using the new functionality.
Note: This specific example is not provided in the [descriptors.md ](https://github.com/bitcoin/bitcoin/blob/master/doc/descriptors.md) documentation, though there is a similar example with `sortedmulti_a. `
ACKs for top commit:
instagibbs:
ACK 92a4ed05d1036b45e8274d8bbadfd59b3d487365
kouloumos:
ACK 92a4ed05d1036b45e8274d8bbadfd59b3d487365
w0xlt:
ACK 92a4ed05d1
Tree-SHA512: 8fb052bd469718157cb64439b885f8b0ecfb5a798535a02bae0a5dc748cd554a3e5ffdd9fe4acaef16156eadb59e1b2bcde7356e811397225f2783a84c8b112f
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