add ruff formatting, pre-commit and codspeed

[jmoralez]

• Adds pre-commit with ruff formatting
• Runs codspeed to benchmark the runtime and detect performance regressions.

[codspeed-hq]

CodSpeed Performance Report

Congrats! CodSpeed is installed 🎉

🆕 20 new benchmarks were detected.

You will start to see performance impacts in the reports once the benchmarks are run from your default branch.

Detected benchmarks

• test_ewm (140.4 µs)
• test_lag_transforms[ewm_mean] (15.5 ms)
• test_lag_transforms[expanding_max] (31.8 ms)
• test_lag_transforms[expanding_mean] (16 ms)
• test_lag_transforms[expanding_min] (33.3 ms)
• test_lag_transforms[expanding_std] (24.3 ms)
• test_lag_transforms[rolling_max] (28.9 ms)
• test_lag_transforms[rolling_mean] (16.3 ms)
• test_lag_transforms[rolling_min] (30 ms)
• test_lag_transforms[rolling_quantile] (991.5 ms)
• test_lag_transforms[rolling_std] (23.4 ms)
• test_lag_transforms[seasonal_rolling_max] (43.8 ms)
• test_lag_transforms[seasonal_rolling_mean] (26.2 ms)
• test_lag_transforms[seasonal_rolling_min] (44.9 ms)
• test_lag_transforms[seasonal_rolling_quantile] (999.7 ms)
• test_lag_transforms[seasonal_rolling_std] (32.1 ms)
• test_scalers[minmax] (9.9 ms)
• test_scalers[robust-iqr] (38.7 ms)
• test_scalers[robust-mad] (35.6 ms)
• test_scalers[standard] (9.7 ms)