Add vcpkg installation instructions

README.md

@@ -93,6 +93,20 @@ make
 
 The resulting binaries will be found in `<path-to-marl>/build`
 
+### Installing Marl (vcpkg)
+
+Alternatively, you can build and install Marl using [vcpkg](https://github.com/Microsoft/vcpkg/) dependency manager:
+
+```bash or powershell
+git clone https://github.com/Microsoft/vcpkg.git
+cd vcpkg
+./bootstrap-vcpkg.sh
+./vcpkg integrate install
+./vcpkg install marl
+```
+
+The Marl port in vcpkg is kept up to date by Microsoft team members and community contributors. If the version is out of date, please [create an issue or pull request](https://github.com/Microsoft/vcpkg) on the vcpkg repository.
+
 ### Windows
 
 Marl can be built using [Visual Studio 2019's CMake integration](https://docs.microsoft.com/en-us/cpp/build/cmake-projects-in-visual-studio?view=vs-2019).