BlueSea: Add site capability

[blueseasx]

To include declartion of site capability in bidder-info YAML file and create site test cases.

[blueseasx]

Hi @bsardo thanks for your correction on the title, would like to konw if there are any other problems I should address. One of our partners is waiting for site integration.

[przemkaczmarek]

Verified:

"1294": {
      "id": 1294,
      "name": "Bluesea Holdings Hong Kong Limited",
      "purposes": [1],
      "legIntPurposes": [],
      "flexiblePurposes": [],
      "specialPurposes": [],
      "features": [],
      "specialFeatures": [],
      "cookieMaxAgeSeconds": null,
      "usesCookies": false,
      "cookieRefresh": false,
      "usesNonCookieAccess": true,
      "dataRetention": {
        "purposes": {

        },
        "specialPurposes": {

        }
      },
      "urls": [
        {
          "langId": "en",
          "privacy": "https://www.blueseasx.com/policy.html",
          "legIntClaim": "https://www.blueseasx.com/policy.html"
        }
      ],
      "dataDeclaration": [1, 2, 3, 4, 8, 11],
      "deviceStorageDisclosureUrl": "https://www.blueseasx.com/tcf-disclosure.json"
    },
    ```

[blueseasx]

Hi @bsardo do you have any further question regarding this PR? If possbile, could you help to approve it at your earliest convenience. My parnter has been waiting for over 5 weeks. Really appreciate your support.

Also thanks for review from @przemkaczmarek

[bsardo]

Sorry for the delay. LGTM. Merged.