Smilewanted : add native support

[QuentinGallard]

Add native support for SmileWanted Bidder Adapter

🏷 Type of documentation

• [x] update bid adapter

📋 Checklist

• [x] Related pull requests in prebid.js or server are linked -> https://github.com/prebid/Prebid.js/pull/10996

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[muuki88]

@QuentinGallard can you add the additional meta data fields requested in the review? Then this is good to merge

[bretg]

ping @QuentinGallard