displayio doc (prebid#3480)

Co-authored-by: Anna Philippova <[email protected]>

dev-docs/bidders/displayio.md

@@ -0,0 +1,37 @@
+---
+layout: bidder
+title: Displayio
+description: Prebid Displayio Bidder Adapter
+biddercode: displayio
+media_types: banner, video
+gdpr_supported: true
+usp_supported: true
+safeframes_ok: true
+pbjs: true
+pbs: false
+prebid_member: false
+gvl_id: none
+---
+
+### Note:
+
+Before configuring the display.io adapter you must reach out your account manager from display.io team  (or send a request to [email protected]) for approval and setup steps.
+
+### Bid Params
+
+{: .table .table-bordered .table-striped }
+
+| Name  | Scope | Type | Description                            | Example                       |
+|----------------| ----- | ---- |----------------------------------------|-------------------------------|
+| `siteId`       | required | Number | SiteId and PlacementID are your inventory IDs on the display.io platform (please ask your Account Manager for your site and placement IDs). | 7753                          |
+| `placementId`  | required | Number | SiteId and PlacementID are your inventory IDs on the display.io platform (please ask your Account Manager for your site and placement IDs).                                       | 5375                          |
+| `adsSrvDomain` | required | String |                                        | "appsrv.display.io"           |
+| `cdnDomain`    | required | String |                                        | "cdn.display.io"              |
+| `pageCategory` | optional | String | Comma-separated list of IAB content categories that describe the current page or view of the site, list of available values. | "pageCategory1, pageCategory2" |
+| `keywords`     | optional | String | Comma-separated list of keywords describing the content. | "keyword1, keyword2, keyword3" |
+| `custom`       | optional | Object | User-defined targeting key-value pairs. custom applies to a specific unit. | `{headerTextColor: "red", fixedHeaderSelector: '.site-header'}` |
+| `custom.headerText`| optional | String | Ad container header text. By default, text is "Scroll to continue with content". Limited to 50 characters. | "Our awesome advertisement"|
+| `custom.headerTextColor`| optional | String | Ad container header text color, "white" by default | "#2196f3"|
+| `custom.headerBackgroundColor`| optional | String | Ad container header background color, "black" by default | "#fff" |
+| `custom.adContainerBackgroundColor`| optional | String | Ad container body background color, "transparent" by default | "#000"|
+| `custom.fixedHeaderSelector`| optional | String | In case your webpage has a fixed header – the header Id attribute or header class attribute should be defined as a value for parameter fixedHeaderSelector. | ".site-header"|