Updated build env

examples/triangle/CMakeLists.txt

@@ -0,0 +1,3 @@
+add_executable(triangle main.cpp)
+
+target_link_libraries(triangle PRIVATE ${PROJECT_NAME})

examples/triangle/main.cpp

@@ -0,0 +1,9 @@
+#include <sophia/application.hpp>
+
+int main() {
+  sophia::Application app{{.width = 800, .height = 600, .name = "Triangle"}};
+
+  app.run();
+
+  return EXIT_SUCCESS;
+}