WEB add missing maintainers to web/pandas/config.yml

[MarcoGorelli]

Looks like there's a few names missing from

pandas/web/pandas/config.yml

Lines 65 to 89 in b9e90dc

	- wesm
	- jorisvandenbossche
	- TomAugspurger
	- shoyer
	- jreback
	- chris-b1
	- sinhrks
	- cpcloud
	- gfyoung
	- toobaz
	- WillAyd
	- mroeschke
	- jschendel
	- jbrockmendel
	- datapythonista
	- simonjayhawkins
	- topper-123
	- alimcmaster1
	- bashtage
	- charlesdong1991
	- Dr-Irv
	- dsaxton
	- MarcoGorelli
	- rhshadrach
	- phofl

we need to add:

• @attack68
• @fangchenli
• @twoertwein
• @tswast

Anyone want to open a PR to add them?

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For anyone wondering about the process behind joining the core team, see https://github.com/pandas-dev/pandas-governance/blob/master/governance.md#core-team