Added build instructions

Author: VasanthBalguri

WaylandBuildInstructions.md

@@ -0,0 +1,13 @@
+**Prequesites:**
+* xkbcommon and wayland development libraries must be installed
+ * sudo apt install libxkbcommon-dev libwayland-dev
+
+**Build steps**
+* Checkout wayland-testing branch
+ * git checkout wayland-testing
+* Run following commands to build
+ * mkdir build
+ * cd build
+ * cmake .. -DBUILD_WAYLAND=1
+ * make -jx (where x is number of cores)
+* It is based on version 1.1.0 for now..