docs: Separate ?compute_parquet and ?compute_csv

[krlmlr]

Closes #610.

[github-actions]

This is how benchmark results would change (along with a 95% confidence interval in relative change) if d28bd8f is merged into main:

• ✔️001_tpch_01: 24.1ms -> 23.6ms [-7.47%, +3.21%]
• ✔️001_tpch_02: 67.7ms -> 67.6ms [-1.47%, +1.17%]
• 🚀001_tpch_03: 40.7ms -> 40.2ms [-1.98%, -0.19%]
• ✔️001_tpch_04: 22.4ms -> 22.5ms [-1.17%, +2.41%]
• ✔️001_tpch_05: 59.3ms -> 59.5ms [-1.21%, +1.83%]
• 🚀001_tpch_06: 11.9ms -> 11.5ms [-5.94%, -0.54%]
• ✔️001_tpch_07: 74.3ms -> 74ms [-1.54%, +0.78%]
• ✔️001_tpch_08: 102ms -> 102ms [-0.79%, +1.17%]
• ✔️001_tpch_09: 70.9ms -> 71ms [-0.75%, +1.16%]
• ✔️001_tpch_10: 43.9ms -> 44ms [-0.6%, +1.13%]
• ✔️001_tpch_11: 40.2ms -> 39.7ms [-2.85%, +0.28%]
• ✔️001_tpch_12: 21.1ms -> 21.3ms [-1.35%, +3.11%]
• ✔️001_tpch_13: 18.4ms -> 18.4ms [-2.26%, +2.42%]
• ✔️001_tpch_14: 17.1ms -> 17.1ms [-1.53%, +1.59%]
• ✔️001_tpch_15: 37.8ms -> 37.9ms [-1.46%, +1.74%]
• ✔️001_tpch_16: 36.2ms -> 36ms [-2.26%, +1.28%]
• ✔️001_tpch_17: 32.5ms -> 32.5ms [-0.96%, +0.99%]
• ✔️001_tpch_18: 22.5ms -> 22.6ms [-1.13%, +1.85%]
• ✔️001_tpch_19: 44.6ms -> 45ms [-0.06%, +1.79%]
• ✔️001_tpch_20: 53.2ms -> 53.4ms [-0.6%, +1.28%]
• ✔️001_tpch_21: 85.5ms -> 85.5ms [-1.28%, +1.27%]
• ✔️001_tpch_22: 48.1ms -> 48.2ms [-0.63%, +0.86%]
• ✔️010_tpch_01: 84.7ms -> 84.7ms [-2.83%, +2.76%]
• ✔️010_tpch_02: 73.3ms -> 73.6ms [-0.7%, +1.5%]
• ✔️010_tpch_03: 58.8ms -> 58.2ms [-3.59%, +1.54%]
• ✔️010_tpch_04: 42ms -> 42.1ms [-1.18%, +1.82%]
• ✔️010_tpch_05: 88.1ms -> 88.2ms [-0.88%, +1.25%]
• ✔️010_tpch_06: 31.1ms -> 29.1ms [-17.14%, +4.33%]
• ✔️010_tpch_07: 104ms -> 103ms [-1.05%, +0.61%]
• ✔️010_tpch_08: 130ms -> 129ms [-1.51%, +0.42%]
• ✔️010_tpch_09: 114ms -> 114ms [-0.73%, +1.39%]
• ✔️010_tpch_10: 72.9ms -> 72.9ms [-1.89%, +1.92%]
• ✔️010_tpch_11: 39.1ms -> 39.1ms [-4.13%, +3.93%]
• ✔️010_tpch_12: 50.3ms -> 51ms [-0.63%, +3.43%]
• ✔️010_tpch_13: 51.5ms -> 52ms [-0.05%, +1.7%]
• ✔️010_tpch_14: 34.6ms -> 33.8ms [-6.22%, +1.82%]
• ✔️010_tpch_15: 53.9ms -> 53.9ms [-6.97%, +6.99%]
• ✔️010_tpch_16: 40.2ms -> 39.6ms [-3.34%, +0.27%]
• ✔️010_tpch_17: 55.1ms -> 54.6ms [-7.27%, +5.22%]
• ✔️010_tpch_18: 56.1ms -> 55.5ms [-7.2%, +5.12%]
• ✔️010_tpch_19: 83.4ms -> 83.8ms [-1.19%, +2.15%]
• ✔️010_tpch_20: 65.2ms -> 66.4ms [-0.29%, +3.87%]
• ✔️010_tpch_21: 287ms -> 287ms [-2.7%, +3.03%]
• ✔️010_tpch_22: 54.6ms -> 54.1ms [-3.04%, +1.01%]
• ✔️100_tpch_01: 362ms -> 336ms [-25.09%, +10.96%]
• ✔️100_tpch_02: 127ms -> 129ms [-4.14%, +6.95%]
• ✔️100_tpch_03: 172ms -> 166ms [-16.25%, +9.2%]
• ✔️100_tpch_04: 147ms -> 144ms [-14.67%, +10.59%]
• ✔️100_tpch_05: 245ms -> 246ms [-14.99%, +15.89%]
• ✔️100_tpch_06: 94.1ms -> 102ms [-0.42%, +16.76%]
• ✔️100_tpch_07: 235ms -> 221ms [-13.54%, +0.98%]
• ✔️100_tpch_08: 252ms -> 258ms [-7.8%, +12.2%]
• ✔️100_tpch_09: 311ms -> 309ms [-11.32%, +10.18%]
• ✔️100_tpch_10: 211ms -> 211ms [-1.89%, +2.33%]
• ✔️100_tpch_11: 83.2ms -> 80.9ms [-7.84%, +2.34%]
• ✔️100_tpch_12: 183ms -> 177ms [-8.42%, +1.85%]
• ✔️100_tpch_13: 349ms -> 337ms [-10.01%, +2.78%]
• ✔️100_tpch_14: 116ms -> 120ms [-3.41%, +9.73%]
• ✔️100_tpch_15: 198ms -> 207ms [-10.2%, +18.69%]
• ✔️100_tpch_16: 128ms -> 130ms [-5.19%, +8.94%]
• ✔️100_tpch_17: 178ms -> 168ms [-17.69%, +5.8%]
• ✔️100_tpch_18: 216ms -> 209ms [-13.1%, +6.46%]
• ✔️100_tpch_19: 274ms -> 268ms [-15.12%, +10.87%]
• ✔️100_tpch_20: 169ms -> 178ms [-1.9%, +12.53%]
• ✔️100_tpch_21: 1.57s -> 1.55s [-4.68%, +2.72%]
• ✔️100_tpch_22: 152ms -> 155ms [-5.54%, +8.95%]

Further explanation regarding interpretation and methodology can be found in the documentation.