Add CMake presets and update conanfile for SDL3Cpp integration

conanfile.py

@@ -1,4 +1,5 @@
 from conan import ConanFile
+from conan.tools.cmake import cmake_layout
 
 class SDL3CppConan(ConanFile):
     name = "sdl3cpp"
@@ -14,6 +15,9 @@ class SDL3CppConan(ConanFile):
     }
     generators = "CMakeDeps", "CMakeToolchain", "VirtualRunEnv"
 
+    def layout(self):
+        cmake_layout(self)
+
     def requirements(self):
         self.requires("lua/5.4.8")
         self.requires("sdl/3.2.20")