create a feature flag for the new pill tab bar ui (#2661)

Author: scottkicks

Library/RemoteConfig/RemoteConfigFeature+Helpers.swift

@@ -27,6 +27,10 @@ public func featureUseKeychainForOAuthTokenEnabled() -> Bool {
   featureEnabled(feature: .useKeychainForOAuthToken)
 }
 
+public func featurePillViewTabBarEnabled() -> Bool {
+  featureEnabled(feature: .pillTabBar)
+}
+
 public func featurePledgedProjectsOverviewV2Enabled() -> Bool {
   featureEnabled(feature: .pledgedProjectsOverviewV2Enabled)
 }

Library/RemoteConfig/RemoteConfigFeature.swift

@@ -4,6 +4,7 @@ public enum RemoteConfigFeature: String, CaseIterable {
   case bypassPledgeManagerDecisionPolicy = "bypass_pledge_manager_decision_policy"
   case editPledgeOverTimeEnabled = "edit_pledge_over_time"
   case useKeychainForOAuthToken = "use_keychain_for_oauth_token"
+  case pillTabBar = "pill_tab_bar"
   case pledgedProjectsOverviewV2Enabled = "pledged_projects_overview_v2"
   case pledgeOverTime = "pledge_over_time"
   case rewardShipmentTracking = "reward_shipment_tracking"
@@ -16,6 +17,7 @@ extension RemoteConfigFeature: CustomStringConvertible {
     case .bypassPledgeManagerDecisionPolicy: return "Bypass Pledge Manager Decision Policy"
     case .editPledgeOverTimeEnabled: return "Edit Pledge Over Time"
     case .useKeychainForOAuthToken: return "Use Keychain for OAuth token"
+    case .pillTabBar: return "Floating Pill Tab Bar"
     case .pledgedProjectsOverviewV2Enabled: return "Pledged Projects Overview V2"
     case .pledgeOverTime: return "Pledge Over Time"
     case .rewardShipmentTracking: return "Reward Shipment Tracking"