oneVideo Adapter - Custom Key Value Pair targeting support (SAPR-15478)

[adam-browning]

Type of change

• [ x] Feature

Description of change

oneVideo adapter now supports Custom key value pairs for targeting in the Video SSP ad-server.
You can pass an Object with key value pairs under `bid.params.video.custom = {}``.
Supported values are String and Number only

• test parameters for validating bids

bids: [{
                bidder: 'oneVideo',
                params: {
                    video: {
                        playerWidth: 640,
                        playerHeight: 480,
                        mimes: ['video/mp4', 'application/javascript'],
                        protocols: [2, 5],
                        api: [1, 2],
                        custom :{
                            key1: "value1",
                            key2: "value2",
                            key3: "value3",
                            key4: 4444444,
                        },
                        e2etest: true
                    },
                    pubId: 'whatever'
                }
            }]

Other information

@kprasadpvv would appreciate your review whenever convenient :)
Thanks in advance

[kprasadpvv]

@adam-browning can you also update sample object in oneVideoBidAdapter.md please
https://github.com/prebid/Prebid.js/blob/d74ad80d4e53529148fa3b7b1da2f6affd88bd60/modules/oneVideoBidAdapter.md

[FilipStamenkovic]

LGTM