Added a new board game, Quoridor, to the strategy section of readme! cheers

[nglewis33]

This is a lovely project, im fairly new to github, so if any changes are needed let me know. Cheers!

Submitting this PR means you have:

• [ :-) ] reviewed the [contributing][contributing-url] document and are comfortable understanding what it says
• [ :-) ] searched the [readme][readme-url] file and searched the [open pull requests][pr-url] (no duplicates please)
• [ :-) ] and will follow [the desired format][format-url]
• [ :-) ] used image links that resolve correctly, are appropriately sized, and are served over HTTPS
• [ :-) ] read this year's Hacktoberfest welcome issue
• [ :-) ] promised not to @ me asking for review (I will see the notifications already, no need to add noise)

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Name	Status	Preview	Comments	Updated (UTC)
awesome-board-games	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Jun 29, 2024 2:11am

[edm00se]

Cheers. Thanks for contributing.