Add vuukle adapter (prebid#5773)

* add vuukle adapter

* add readme

* doc: add email

modules/vuukleBidAdapter.js

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+import * as utils from '../src/utils.js';
+import { registerBidder } from '../src/adapters/bidderFactory.js';
+
+const BIDDER_CODE = 'vuukle';
+const URL = 'https://pb.vuukle.com/adapter';
+const TIME_TO_LIVE = 360;
+
+export const spec = {
+  code: BIDDER_CODE,
+
+  isBidRequestValid: function(bid) {
+    return true
+  },
+
+  buildRequests: function(bidRequests) {
+    const requests = bidRequests.map(function (bid) {
+      const parseSized = utils.parseSizesInput(bid.sizes);
+      const arrSize = parseSized[0].split('x');
+      const params = {
+        url: encodeURIComponent(window.location.href),
+        sizes: JSON.stringify(parseSized),
+        width: arrSize[0],
+        height: arrSize[1],
+        params: JSON.stringify(bid.params),
+        rnd: Math.random(),
+        bidId: bid.bidId,
+        source: 'pbjs',
+        version: '$prebid.version$',
+        v: 1,
+      };
+
+      return {
+        method: 'GET',
+        url: URL,
+        data: params,
+        options: {withCredentials: false}
+      }
+    });
+
+    return requests;
+  },
+
+  interpretResponse: function(serverResponse, bidRequest) {
+    if (!serverResponse || !serverResponse.body || !serverResponse.body.ad) {
+      return [];
+    }
+
+    const res = serverResponse.body;
+    const bidResponse = {
+      requestId: bidRequest.data.bidId,
+      cpm: res.cpm,
+      width: res.width,
+      height: res.height,
+      creativeId: res.creative_id,
+      currency: res.currency || 'USD',
+      netRevenue: true,
+      ttl: TIME_TO_LIVE,
+      ad: res.ad
+    };
+    return [bidResponse];
+  },
+}
+registerBidder(spec);

modules/vuukleBidAdapter.md

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+# Overview
+```
+Module Name: Vuukle Bid Adapter
+Module Type: Bidder Adapter
+Maintainer: support@vuukle.com
+```
+
+# Description
+Module that connects to Vuukle's server for bids.
+Currently module supports only banner mediaType.
+
+# Test Parameters
+```
+    var adUnits = [{
+        code: '/test/div',
+        mediaTypes: {
+            banner: {
+                sizes: [[300, 250]]
+            }
+        },
+        bids: [{
+            bidder: 'vuukle',
+            params: {}
+        }]
+    }];
+```

test/spec/modules/vuukleBidAdapter_spec.js

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+import { expect } from 'chai';
+import { spec } from 'modules/vuukleBidAdapter.js';
+
+describe('vuukleBidAdapterTests', function() {
+  let bidRequestData = {
+    bids: [
+      {
+        bidId: 'testbid',
+        bidder: 'vuukle',
+        params: {
+          test: 1
+        },
+        sizes: [[300, 250]]
+      }
+    ]
+  };
+  let request = [];
+
+  it('validate_pub_params', function() {
+    expect(
+      spec.isBidRequestValid({
+        bidder: 'vuukle',
+        params: {
+          test: 1
+        }
+      })
+    ).to.equal(true);
+  });
+
+  it('validate_generated_params', function() {
+    request = spec.buildRequests(bidRequestData.bids);
+    let req_data = request[0].data;
+
+    expect(req_data.bidId).to.equal('testbid');
+  });
+
+  it('validate_response_params', function() {
+    let serverResponse = {
+      body: {
+        'cpm': 0.01,
+        'width': 300,
+        'height': 250,
+        'creative_id': '12345',
+        'ad': 'test ad'
+      }
+    };
+
+    request = spec.buildRequests(bidRequestData.bids);
+    let bids = spec.interpretResponse(serverResponse, request[0]);
+    expect(bids).to.have.lengthOf(1);
+
+    let bid = bids[0];
+    expect(bid.ad).to.equal('test ad');
+    expect(bid.cpm).to.equal(0.01);
+    expect(bid.width).to.equal(300);
+    expect(bid.height).to.equal(250);
+    expect(bid.creativeId).to.equal('12345');
+  });
+});