Adds `.gitignore` rules to exclude benchmark outputs and local build artifacts. Initializes Serena AI configuration for the Go project with UTF-8 encoding and gitignore-based file exclusion. Refactors the FASTSEQ header parser to fix regex syntax, optimize alternation ordering, improve control flow readability, and introduce explicit float-to-int coercion that preserves fractional values.
Eric Coissac
f1a424343c