添加chapter和lesson

Html/apps/views/__init__.py

@@ -3,8 +3,10 @@ from .markdown import bp as markdown_bp
 from .vscode import bp as vscode_bp
 from .auth import bp as auth_bp
 from .dashboard import bp as main_bp
+from .material import bp as material_bp
 def register_blueprints(app: Flask):
     app.register_blueprint(markdown_bp)  # 默认就是挂在根路径
     app.register_blueprint(vscode_bp)
     app.register_blueprint(auth_bp)
-    app.register_blueprint(main_bp)
+    app.register_blueprint(main_bp)
+    app.register_blueprint(material_bp)