dev: 编写了测试路由，细化了项目结构

app/__init__.py

@@ -0,0 +1,12 @@
+from flask import Flask
+
+
+def create_app(config_class='config.DevelopmentConfig'):
+    app = Flask(__name__)
+    app.config.from_object(config_class)
+
+    # 注册蓝图
+    from app.routes.pages import page_bp
+    app.register_blueprint(page_bp)
+
+    return app

app/routes/pages.py

@@ -0,0 +1,7 @@
+from flask import Blueprint, jsonify
+
+page_bp = Blueprint("page", __name__, "/")
+
+@page_bp.route("/")
+def index():
+    return jsonify({"code": "200", "message": "Service normal"})