- Update "Send a Time-Held Escrow" to "Send a Timed Escrow" with new
code samples in JS and Python.
- Update "Send a Conditionally-Held Escrow" to "Send a Conditional
Escrow" with new code samples in JS and Python.
- Update "Cancel an Expired Escrow" and "Look Up Escrows" with new code
samples.
- Remove translations of the old tutorials, which are substantially
different from the new tutorials.
- Remove websocket API examples that were used in the old tutorials.
- Remove the "Use Escrow as a Smart Contract" article, which was an
awkward mix between a use case and a tutorial.
- Update sidebars and redirects for the removed and renamed tutorials.
