add DSA info to bid.meta field and ortb2 examples

dev-docs/bidder-adaptor.md

@@ -511,7 +511,7 @@ The parameters of the `bidResponse` object are:
 | `meta.brandName`     | Optional                                    | Brand Name                                   | `"BrandB"`                          |
 | `meta.demandSource`     | Optional                                    | Demand Source (Some adapters may functionally serve multiple SSPs or exchanges, and this would specify which)                                  | `"SourceB"`
 | `meta.dchain`     | Optional                                    | Demand Chain Object                                   | `{ 'ver': '1.0', 'complete': 0, 'nodes': [ { 'asi': 'magnite.com', 'bsid': '123456789', } ] }`                          |
-| `meta.dsa` | Optional | The [IAB DSA response object](https://github.com/InteractiveAdvertisingBureau/openrtb/blob/main/extensions/community_extensions/dsa_transparency.md) for the Digital Services Act (DSA) | `{"behalf": "Advertiser", "paid": "Advertiser", ...}` | 
+| `meta.dsa` | Optional | The [IAB DSA response object](https://github.com/InteractiveAdvertisingBureau/openrtb/blob/main/extensions/community_extensions/dsa_transparency.md) for the Digital Services Act (DSA) | `{ 'behalf': 'sample text', 'paid': 'sample value', 'transparency': [{ 'domain': 'sample domain', 'params': [1, 2] }], 'adrender': 1 }` | 
 | `meta.primaryCatId`     | Optional                                    | Primary [IAB category ID](https://www.iab.com/guidelines/iab-quality-assurance-guidelines-qag-taxonomy/)               |  `"IAB-111"`                         |
 | `meta.secondaryCatIds`     | Optional                                    | Array of secondary IAB category IDs      | `["IAB-222","IAB-333"]`       |
 | `meta.mediaType`     | Optional                                  | "banner", "native", or "video" - this should be set in scenarios where a bidder responds to a "banner" mediaType with a creative that's actually a video (e.g. outstream) or native. | `"native"`  |

features/firstPartyData.md

@@ -109,7 +109,21 @@ pbjs.setConfig({
         },
         regs: {
             gpp: "abc1234",
-            gpp_sid: [7]
+            gpp_sid: [7],
+            ext: {
+              dsa: {
+                required: 3,
+                pubrender: 0,
+                datatoput: 2,
+                transparency: [{
+                  domain: 'platform1domain.com',
+                  params: [1]
+                }, {
+                  domain: 'platform2domain.com',
+                  params: [1, 2]
+                }]
+              }
+            }
         }
     }
 });