feat:move navigator to another class for iOS

iOS/Pod/Classes/Navigator/DoricDefaultNavigator.h

@@ -0,0 +1,10 @@
+//
+// Created by pengfei.zhou on 2019/11/25.
+//
+
+#import <Foundation/Foundation.h>
+#import "DoricNavigatorProtocol.h"
+
+@interface DoricDefaultNavigator : NSObject <DoricNavigatorProtocol>
+- (instancetype)initWithNavigationController:(UINavigationController *)navigationController;
+@end

iOS/Pod/Classes/Navigator/DoricDefaultNavigator.m

@@ -0,0 +1,29 @@
+//
+// Created by pengfei.zhou on 2019/11/25.
+//
+
+#import "DoricDefaultNavigator.h"
+#import "DoricViewController.h"
+
+@interface DoricDefaultNavigator ()
+@property(nonatomic, weak) UINavigationController *navigationController;
+@end
+
+@implementation DoricDefaultNavigator
+- (instancetype)initWithNavigationController:(UINavigationController *)navigationController {
+    if (self = [super init]) {
+        _navigationController = navigationController;
+    }
+    return self;
+}
+
+- (void)push:(NSString *)scheme alias:(NSString *)alias animated:(BOOL)animated {
+    DoricViewController *viewController = [[DoricViewController alloc] initWithScheme:scheme alias:alias];
+    [self.navigationController pushViewController:viewController animated:animated];
+}
+
+- (void)pop:(BOOL)animated {
+    [self.navigationController popViewControllerAnimated:animated];
+}
+
+@end