build(mge): put LICENSE file into proper directory in wheel

GitOrigin-RevId: 77f3a6968b09c7fec020e749b3eae294f8ee67f8

ci/docker_env/manylinux2010/init_image.sh

@@ -17,7 +17,7 @@ do
     curl ${GET_PIP_URL} | /opt/python/cp${python_ver}-cp${ver}/bin/python - \
 	--no-cache-dir --only-binary :all:
     /opt/python/cp${python_ver}-cp${ver}/bin/pip install \
-	--no-cache-dir --only-binary :all: numpy==1.18.1
+	--no-cache-dir --only-binary :all: numpy==1.18.1 setuptools==46.1.3
 done
 
 pushd /home >/dev/null

python_module/setup.py

@@ -105,7 +105,7 @@ setup_kwargs.update(dict(
     ],
     license='Apache 2.0',
     keywords='megengine deep learning',
-    data_files = [("", [
+    data_files = [("megengine", [
         "../LICENSE",
         "../ACKNOWLEDGMENTS",
     ])]