Shinez bid adapter initial docs added (#2871)

dev-docs/bidders/shinez.md

@@ -0,0 +1,41 @@
+---
+layout: bidder
+title: Shinez
+description: Prebid Shinez Bidder Adapter
+biddercode: shinez
+media_types: banner
+pbjs: true
+---
+
+### Registration
+
+The Shinez adapter requires setup and approval from the Shinez team. Please reach out to tech-team@shinez.io for more information.
+
+### Bid Params
+
+{: .table .table-bordered .table-striped }
+| Name       | Scope    | Description          | Example    | Type     |
+|------------|----------|----------------------|------------|----------|
+| `placementId` | required | A Shinez-specific identifier that is associated with a specific domain provided by your Shinez representative.  | `'00654321'` | `string` |
+| `unit` | optional | An alphanumerical value used to identify the slot_id in reporting. | `'__header-bid-1'`   | `string` |
+
+### Examples
+
+#### Example Banner Ad Unit
+
+```javascript
+var adUnit = {
+  code: "test-div",
+  mediaTypes: {
+    banner: {
+      sizes: [[300, 250]]
+    }
+  },
+  bids: [{
+    bidder: "shinez",
+    params: {
+      placementId: "00654321"
+    }
+  }]
+};
+```