message: Fixed VCPKG in README
diff: @@ -131,7 +131,7 @@ DataFrame is also available on [_Microsoft VCPKG_](https://vcpkg.io/en/index.htm
  ```bash
  git clone https://github.com/Microsoft/vcpkg.git
  cd vcpkg
  -./bootstrap-vcpkg.sh
  -./vcpkg integrate install
  -vcpkg install DataFrame
  +bootstrap-vcpkg.bat
  +vcpkg.exe integrate install
  +vcpkg.exe install DataFrame
  ```
  