Add feature flag for Order Creation

Author: rachelmcr

Experiments/Experiments/DefaultFeatureFlagService.swift

@@ -27,6 +27,8 @@ public struct DefaultFeatureFlagService: FeatureFlagService {
             return buildConfig == .localDeveloper || buildConfig == .alpha
         case .jetpackConnectionPackageSupport:
             return buildConfig == .localDeveloper || buildConfig == .alpha
+        case .orderCreation:
+            return buildConfig == .localDeveloper || buildConfig == .alpha
         default:
             return true
         }

Experiments/Experiments/FeatureFlag.swift

@@ -53,4 +53,8 @@ public enum FeatureFlag: Int {
     /// Allows sites with plugins that include Jetpack Connection Package and without Jetpack-the-plugin to connect to the app
     ///
     case jetpackConnectionPackageSupport
+
+    /// Allows new orders to be manually created
+    ///
+    case orderCreation
 }