docs table horizontal scroll fix

[pintusoliya]

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Impact

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Documentation Update

Describe any necessary documentation update if there is any new feature, config, or user-facing change. If not, put "none".

• The config description must be updated if new configs are added or the default value of the configs are changed
• Any new feature or user-facing change requires updating the Hudi website. Please create a Jira ticket, attach the
  ticket number here and follow the instruction to make
  changes to the website.

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• Read through contributor's guide
• Change Logs and Impact were stated clearly
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[danny0405]

@pintusoliya cool fix, can you paste some discrepency contrast of the site before/after this change, that would be very intuititive for reviewers.

[bhasudha]

Tested lcoally.
older one with issue where the configs table has a horizontal slide:

newer one with the changes in the PR where the config table is contained within the window:

[bhasudha]

LGTM