Linting added to build system.
Update lint rules to include unused imports.
Fixed lint errors. There are a couple of warnings, but I wasn't sure how to fix them, but they don't cause the linter to fail.
Added instructions to README for how to run linter locally.
Linting added to build system. Update lint rules to include unused imports. Fixed lint errors. There are a couple of warnings, but I wasn't sure how to fix them, but they don't cause the linter to fail. Added instructions to README for how to run linter locally.