Add a feature flag for JCP support.

Author: jaclync

Experiments/Experiments/DefaultFeatureFlagService.swift

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

Experiments/Experiments/FeatureFlag.swift

@@ -53,4 +53,8 @@ public enum FeatureFlag: Int {
     /// Allows to filter products by a product category, persisting it so the filter can remain after restarting the app
     ///
     case filterProductsByCategory
+
+    /// Allows sites with plugins that include Jetpack Connection Package and without Jetpack-the-plugin to connect to the app
+    ///
+    case jetpackConnectionPackageSupport
 }