Initial commit: TaskPool React panel

- React frontend with route-level code splitting
- Backend rebranded from Baihu to TaskPool
- DB brand migration script and local compatibility

builtin/python/setup.py

@@ -0,0 +1,10 @@
+from setuptools import setup, find_packages
+
+setup(
+    name='taskpool',
+    version='1.0.0',
+    description='TaskPool internal helper for Python',
+    packages=['taskpool'],
+    package_dir={'taskpool': 'taskpool'},
+    python_requires='>=3.6',
+)