external UUID implementation for asset tracking

src/deps/stduuid/how_to_build.md

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+# How to build
+
+You can create projects to build the tests for the uuid library using CMake.
+
+If you don't have CMake installed you can get it from https://cmake.org/.
+
+## Windows
+
+Do the Following:
+
+* Create a folder called **build**
+```
+mkdir build
+cd build
+```
+
+* Run the following CMake command from the **build** folder to generate projects to target the **x86** platform.
+```
+   cmake -G "Visual Studio 15 2017" ..
+```
+
+To generate projects to target **x64** use the generator **"Visual Studio 15 2017 Win64"**.
+
+To generate projects to target **ARM** use the generator **"Visual Studio 15 2017 ARM"**.
+
+
+## Mac
+
+Do the Following:
+
+* Create a folder called **build**
+```
+mkdir build
+cd build
+```
+
+* Run the following CMake command from the **build** folder to generate projects to target the **x86** platform.
+```
+   cmake -G Xcode ..
+```