Reformat Transforms in yarp.json for readability

Reformatted the `Transforms` sections in `yarp.json` to use
multi-line JSON objects instead of single-line objects.
This change improves the readability and maintainability
of the configuration file without altering its functionality.

EnvelopeGenerator.API/yarp.json

@@ -44,9 +44,21 @@
           "Methods": [ "GET", "HEAD" ]
         },
         "Transforms": [
-          { "ResponseHeader": "Cache-Control", "Set": "no-cache, no-store, must-revalidate", "When": "Always" },
+          {
-          { "ResponseHeader": "Pragma", "Set": "no-cache", "When": "Always" },
+            "ResponseHeader": "Cache-Control",
-          { "ResponseHeader": "Expires", "Set": "0", "When": "Always" }
+            "Set": "no-cache, no-store, must-revalidate",
+            "When": "Always"
+          },
+          {
+            "ResponseHeader": "Pragma",
+            "Set": "no-cache",
+            "When": "Always"
+          },
+          {
+            "ResponseHeader": "Expires",
+            "Set": "0",
+            "When": "Always"
+          }
         ]
       },
       "receiver-ui-annotation-fake": {
@@ -78,7 +90,10 @@
         },
         "Transforms": [
           { "PathPattern": "/api/auth/envelope-receiver/{key}" },
-          { "QueryValueParameter": "cookie", "Set": "true" }
+          {
+            "QueryValueParameter": "cookie",
+            "Set": "true"
+          }
         ]
       }
     },