v0.5.5

v0.5.5

• Align ShredStream static-account parsing across Rust, Node.js, Python, and Go.
• Keep V0 ALT-loaded instruction accounts on the hot path with default pubkey placeholders.
• Add discriminator fallback when ShredStream outer program id is ALT-loaded.
• Improve Pump.fun ShredStream create/create_v2, v2 short-account trade parsing, and event filters.
• Refresh multi-protocol routing and README content.