GraphQL for AT Protocol

refactor: organize packages into src/ and test/ folders

Move source files to src/ and test files to test/ directories for both lex-gql and lex-gql-sqlite packages. Update all import paths and config files accordingly. Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>


Author Chad Miller Co-author Claude Opus 4.5 Date Commit Parent a2736bfa