* Updated TLVs to allow support for numeric outcome and multiple oracle DLCs
* Added threshold field to multi-oracle oracle_infos
* Responded to review
* Some more review
* Specified DLC TLV messages and added happy-path test vectors
* Responded to Ben's review
* Updated test vectors to use correct Multisignature ordering and up-to-date BIP 340
* Responded to Tibo's review
* Attempted to specify funding inputs and funding signatures in a general way
* Regenerated test vectors as per the updated funding input and funding signature specification
* Specified generalized fee computation and fixed test vectors
* Added oracle signature and signed transactions to test vectors
* Responded to review from Tibo
* Fixed table of contents
* Clarified TLV vs. LN Message format, fixed off-by-one fee computation, updated test vectors for fees, have not yet updated test vectors for LN Message format
* Made offer, accept and sign conform with Lightning Message format
* Added a clarification
* Made contract_info a proper object
* Fixed test vector contract id hashes
* Made redeem script use compact size uint and removed test vectors from this PR