Add Lucead Adapter (#5138)

* Add Lucead Adapter

* remove blank line

* update maintainer

* update pbjs and pbs

dev-docs/bidders/lucead.md

@@ -0,0 +1,32 @@
+---
+layout: bidder
+title: Lucead adapter
+description: Prebid Lucead Bidder Adapter
+biddercode: lucead
+tcfeu_supported: false
+gvl_id: none
+usp_supported: false
+coppa_supported: false
+schain_supported: false
+dchain_supported: false
+media_types: banner
+safeframes_ok: true
+deals_supported: true
+floors_supported: true
+fpd_supported: true
+pbjs: true
+pbs: false
+prebid_member: true/false
+ortb_blocking_supported: false
+privacy_sandbox: paapi
+sidebarType: 1
+---
+### Note
+
+The Lucead Bidding adapter requires setup before beginning. Please contact us at [prebid@lucead.com](mailto:prebid@lucead.com).
+
+### Bid Params
+
+| Name          | Scope    | Description           | Example   | Type      |
+|---------------|----------|-----------------------|-----------|-----------|
+| `placementId` | required | Placement id          | `'11111'` | `string`  |