New bidder adapter: AdTonos (#5543)

* Add docs for AdTonos bidder

* Add missing quotes to AdTonos params in bidder docs

dev-docs/bidders/adtonos.md

@@ -0,0 +1,31 @@
+---
+layout: bidder
+title: AdTonos
+description: Prebid AdTonos Bidder Adapter
+biddercode: adtonos
+media_types: no-banner, video, audio
+tcfeu_supported: true
+gvl_id: 682
+gpp_supported: false
+schain_supported: true
+coppa_supported: true
+usp_supported: true
+deals_supported: true
+floors_supported: true
+safeframes_ok: true
+prebid_member: true
+pbjs: false
+pbs: true
+sidebarType: 1
+---
+
+### Note
+
+The AdTonos Bidding adapter requires setup before beginning. Please contact us at <support@adtonos.com>
+
+### Bid params
+
+{: .table .table-bordered .table-striped }
+| Name          | Scope    | Description           | Example               | Type     |
+|---------------|----------|-----------------------|-----------------------|----------|
+| `supplierId`  | required | Supplier account id   | `'1YZxxxyDMCXWv7SwY'`   | `string` |