feat: init project with raw opengl GLESv3

CMakeLists.txt

@@ -0,0 +1,28 @@
+cmake_minimum_required(VERSION 3.10)
+project(main)
+
+if(NOT TARGET SDL3::SDL3)
+    find_package(SDL3 CONFIG REQUIRED)
+endif()
+
+add_executable(main main.cpp)
+
+target_link_libraries(main SDL3::SDL3)
+
+if(ANDROID)
+    # --- Android: OpenGL ES ---
+    target_link_libraries(main
+        GLESv3      # or GLESv2
+        EGL
+        android
+        log
+    )
+else()
+    # --- Linux/Desktop: OpenGL ---
+    set(OpenGL_GL_PREFERENCE GLVND)
+    find_package(OpenGL REQUIRED)
+
+    target_link_libraries(main
+        OpenGL::GLES3
+    )
+endif()