docs(readme): correct link

[kwonoj]

• refactor(instrument): remove unused codes
• test(fixture): move integration tests
• build(cargo): move test-only pkgs
• build(transform): setup package
• build(transform): init transformsync
• build(transform): initial custom pass
• build(transform): enable custom transform
• feat(options): support debug initial coverage comment
• refactor(visitor): adjust logic to attach debug comments
• test(transform): enable custom transform test
• build(package): correct pkg name
• cargo(build): ignore test constants build fail
• fix(visitor): accept trait instead of strict types
• refactor(visitor): explicit arg
• build(cargo): bump up version
• build(package): initial package
• build(package): rename to avoid conflict
• docs(readme): initial readme
• docs(readme): update url
• docs(readme): correct link