Reason/inspiration (optional)

We want a new concept entry for Luau about Tables.
The file should be located at content/luau/concepts/tables/tables.md

The entry should:

• Describe what tables are.
• Have a section the syntax of creating tables.
• Describe accessing elements of a table.

Please refer to the term entry templates, content standards, and markdown style guide when working on the PR for this issue.

Entry Type (select all that apply)

New Concept Entry for Existing Topic

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