Marsmedia bid adapter (#2729)

* Change params, add description

* Add support for gdpr, schain and video

* change param from ZoneId to zoneId
remove rows: top_nav_section , nav_section

* change param from ZoneId to zoneId
remove rows: top_nav_section , nav_section

* New adapter - videofy

* add updated supported, add example

dev-docs/bidders/marsmedia.md

@@ -7,7 +7,11 @@ pbs: true
 biddercode: marsmedia
 media_types: video, banner
 gdpr_supported: true
+tcf2_supported: true
+getFloor: true
 schain_supported: true
+usp_supported: true
+coppa_supported: true
 ---
 
 ### Bid Params
@@ -16,3 +20,60 @@ schain_supported: true
 | Name          | Scope    | Description | Example | Type     |
 |---------------|----------|-------------|---------|----------|
 | zoneId | required | The zone ID from Mars Media Group. | 9999 | integer |
+
+
+### Banner - Ad Unit Setup
+```javascript
+var adUnits = [
+{
+  code: 'marsmedia-ad-123456-1', // ad slot HTML element ID  
+  mediaTypes: {
+    banner: {  
+      sizes: [
+          [300, 250]
+      ]
+    }   
+  } 
+  bids: [{
+    bidder: 'marsmedia',
+    params: {
+        zoneId: 9999    // required 
+    }
+  }]
+}
+``` 
+
+### Instream Video - Ad Unit Setup
+```javascript
+var adUnits = [
+{
+  code: 'marsmedia-ad-123456-1', // ad slot HTML element ID  
+  mediaTypes: {
+    video: {                                // We recommend setting the following video params
+                                            // in Ad Unit rather than bidder params as per Prebid 4.0 recommendation. 
+      playerSize: [300, 250],               // required
+      context: 'instream',                  // required
+      mimes: ['video/mp4','video/x-flv'],   // required
+      protocols: [ 2, 3 ],                  // required, set at least 1 value in array
+      placement: 1,                         // optional, defaults to 1 when context = instream
+      startdelay: 0,                        // optional, defaults to 0 when context = instream
+      api: [ 1, 2 ],                        // optional
+      skip: 0,                              // optional
+      minduration: 5,                       // optional
+      maxduration: 30,                      // optional
+      playbackmethod: [1,3],                // optional
+      battr: [ 13, 14 ],                    // optional
+      linearity: 1,                         // optional
+      minbitrate: 10,                       // optional
+      maxbitrate: 10                        // optional
+    }   
+  }, 
+  bids: [{
+    bidder: 'marsmedia',
+    params: {
+        zoneId: 9999    // required    
+    }
+  }],
+  ...
+}
+```