add bydata.md analytics doc inside dev-docs/analytics

Gemfile

@@ -1,2 +1,2 @@
 source 'https://rubygems.org'
-gem 'github-pages', '>= 30'
+gem 'github-pages', '>= 30'

dev-docs/analytics/bydata.md

@@ -0,0 +1,32 @@
+---
+layout: analytics
+title: byData
+description: byData Analytics Adapter
+modulecode: bydata 
+prebid_member: false
+--- 
+
+#### Registration
+
+The byData Analytics adapter requires setup and approval from the
+byData team. Please visit [https://bydata.com/](https://bydata.com/) for more information.
+
+#### Analytics Options
+
+{: .table .table-bordered .table-striped }
+| Parameter | Scope | Type | Description | Example |
+| --- | --- | --- | --- | --- |
+| clientId | Required  | String | The byData Client ID  | `asc10001` | 
+| logFrequency | Optional  | Int | Sample rate  | 100 |   
+
+### Example Configuration 
+
+```js 
+    pbjs.enableAnalytics({
+        provider: "bydata",  
+        options: {
+            clientId:'asc10001',   // please contact byData team to get a clientId for yourself 
+            logFrequency : 100,    // Default - 1%       
+        }
+    });
+```