Add first example description

cmake/ls-atlantis-example.cmake

@@ -5,7 +5,7 @@
 ################################################################
 
 add_executable(ls-atlantis-example
-        ${CMAKE_CURRENT_SOURCE_DIR}/output/Example.cpp
+        ${CMAKE_CURRENT_SOURCE_DIR}/output/BasicSdlWindowExample.cpp
 )
 
 target_link_libraries(ls-atlantis-example PRIVATE

output/Example.cpp → output/BasicSdlWindowExample.cpp

@@ -15,6 +15,10 @@ using ls::atlantis::glossary::WindowApiTypes;
 using ls::atlantis::interfaces::AStatusCode;
 using ::std::shared_ptr;
 
+/*
+ * This example application opens a fullscreen window, which can be closed via Escape-Keyboard-Key.
+ */
+
 int main()
 {
   EngineParameter parameter{};