* bridge: add secp check instruction
* solana: update to secp solana upstream
* solana: iteration on secp
* solana: fix secp instruction
serialization indices were off and secp ix data was serialized twice
* solana: optimize ix serialization
* agent: send multiple chunks of signatures
* doc: update protocol spec
* solana: store signatures in siginfo; reconstruct signed VAA in webinterface
* solana: reformat
* solana: add rustfmt config
Hendrik Hofstadt