docs: added multi-region recipe

[shahednasser]

• Added Multi-Region Recipe
• Added IP Lookup plugin documentation

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Latest commit: 8a7efc5

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Name	Status	Preview	Comments	Updated (UTC)
api-reference	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Aug 31, 2023 5:30pm
medusa-docs	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Aug 31, 2023 5:30pm