refactor(archive): move unused modules to archive/

Archive legacy framework and utility modules that are no longer
referenced by the active core (datasource/ and rotation/):

- framework/ -> archive/framework/
- framework_v2/ -> archive/framework_v2/
- strategies/ -> archive/strategies/
- config/ -> archive/config/
- visualization/ -> archive/visualization/
- scripts/ -> archive/scripts/
- tests/ -> archive/tests/
- run_rotation.py, run_us_rotation.py -> archive/single_files/
- compare_*.py, test_api_dates.py -> archive/single_files/

archive/framework_v2/shared/__init__.py

@@ -0,0 +1,9 @@
+"""
+通用实现层（2+ 策略复用的组件）
+
+包含：
+├── factors/     # 通用因子
+├── signals/     # 通用信号生成器
+├── execution/   # 通用执行器
+└── data/        # 通用数据处理
+"""