[VL][DOC] Refine the document about parquet write

[JkSelf]

What changes were proposed in this pull request?

Refine the document about parquet write.

How was this patch tested?

No need.

[github-actions]

Thanks for opening a pull request!

Could you open an issue for this pull request on Github Issues?

https://github.com/oap-project/gluten/issues

Then could you also rename commit message and pull request title in the following format?

[GLUTEN-${ISSUES_ID}][COMPONENT]feat/fix: ${detailed message}

See also:

• Other pull requests

[JkSelf]

@zhouyuan Please help to review. Thanks.

[zhouyuan]

thanks for the improvement!

[JkSelf]

@zhouyuan Updated. Please help to review again. Thanks.

[zhouyuan]

👍

[GlutenPerfBot]

===== Performance report for TPCH SF2000 with Velox backend, for reference only ====

query	log/native_master_10_19_2023_time.csv	log/native_master_10_18_2023_4dbb181cc_time.csv	difference	percentage
q1	40.32	43.58	3.266	108.10%
q2	24.36	24.34	-0.018	99.93%
q3	40.92	35.79	-5.132	87.46%
q4	33.60	41.52	7.916	123.56%
q5	70.38	70.78	0.407	100.58%
q6	8.94	5.74	-3.207	64.15%
q7	102.14	86.23	-15.916	84.42%
q8	104.41	80.16	-24.248	76.78%
q9	156.04	117.35	-38.689	75.21%
q10	72.84	47.73	-25.115	65.52%
q11	22.07	20.15	-1.922	91.29%
q12	34.28	25.94	-8.344	75.66%
q13	72.13	49.65	-22.478	68.84%
q14	25.22	15.32	-9.901	60.74%
q15	40.39	27.13	-13.257	67.17%
q16	18.59	16.07	-2.526	86.42%
q17	105.84	122.53	16.682	115.76%
q18	217.17	163.25	-53.928	75.17%
q19	27.16	13.15	-14.009	48.43%
q20	40.56	25.17	-15.395	62.05%
q21	335.44	235.27	-100.172	70.14%
q22	17.06	15.49	-1.570	90.80%
total	1609.87	1282.32	-327.555	79.65%