[git] Add `@unimodules/*` and other scoped package artifacts to .gitattributes
[git] Add `@unimodules/*` and other scoped package artifacts to .gitattributes

Makes Git treat scoped packages the same as unscoped packages with regard to treating build artifacts as binary.

exponentjs/exponent,exponentjs/exponent,exponentjs/exponent,exponent/exponent,exponentjs/exponent,exponentjs/exponent,exponent/exponent,exponentjs/exponent,exponent/exponent,exponentjs/exponent,exponentjs/exponent,exponent/exponent,exponent/exponent,exponent/exponent,exponent/exponent,exponent/exponent,exponent/exponent,exponentjs/exponent