New Adapter: Escalax (#5486)

* init escalax adapter

* fixes

dev-docs/bidders/escalax.md

@@ -0,0 +1,34 @@
+---
+layout: bidder
+title: Escalax
+description: Prebid Escalax Bidder Adaptor
+biddercode: escalax
+usp_supported: true
+ccpa_supported: true
+coppa_supported: true
+schain_supported: true
+media_types: banner, video, native
+safeframes_ok: true
+deals_supported: true
+pbs: true
+sidebarType: 1
+floors_supported: true
+prebid_member: false
+fpd_supported: false
+gvl_id: none
+multiformat_supported: will-bid-on-one
+ortb_blocking_supported: true
+userIds: all
+---
+
+### Note
+
+The Escalax Bidding adapter requires setup before beginning. Please contact us at <[email protected]>
+
+### Bid Params
+
+{: .table .table-bordered .table-striped }
+| Name | Scope | Description | Example | Type |
+|---------------|----------|-----------------------|-----------|-----------|
+| `sourceId` | required | Patner name | `'partner'` | `string` |
+| `accountId` | required | Hash | `'0800fc577294'` | `string` |