Lint check in main branch is failing. This fixes the lint check after we
moved to ruff in https://github.com/meta-llama/llama-stack/pull/921. We
need to move to a `ruff.toml` file as well as fixing and ignoring some
additional checks.
Signed-off-by: Yuan Tang <terrytangyuan@gmail.com>
This fixes the pre-commit check when running locally (not sure why this
was not caught on CI check):
```
> pre-commit run --show-diff-on-failure --color=always --all-files
trim trailing whitespace.................................................Passed
check python ast.........................................................Passed
check for merge conflicts................................................Passed
check for added large files..............................................Passed
fix end of files.........................................................Passed
Insert license in comments...............................................Passed
flake8...................................................................Failed
- hook id: flake8
- exit code: 1
llama_stack/distribution/ui/page/evaluations/app_eval.py:132:65: E226 missing whitespace around arithmetic operator
llama_stack/distribution/ui/page/evaluations/native_eval.py:235:61: E226 missing whitespace around arithmetic operator
llama_stack/providers/utils/telemetry/trace_protocol.py:56:78: E226 missing whitespace around arithmetic operator
```
Signed-off-by: Yuan Tang <terrytangyuan@gmail.com>
