Add CMakeLists.txt for the submeshes example

Fixes: QTBUG-87811
Change-Id: I5ced00e74ee413e2c5d768b157d53e0d7915f8bf
Reviewed-by: Alexandru Croitor <alexandru.croitor@qt.io>

examples/quick3d/submeshes/CMakeLists.txt

+# Generated from submeshes.pro.
+
+cmake_minimum_required(VERSION 3.14)
+project(submeshes LANGUAGES CXX)
+
+set(CMAKE_INCLUDE_CURRENT_DIR ON)
+
+set(CMAKE_AUTOMOC ON)
+set(CMAKE_AUTORCC ON)
+set(CMAKE_AUTOUIC ON)
+
+if(NOT DEFINED INSTALL_EXAMPLESDIR)
+  set(INSTALL_EXAMPLESDIR "examples")
+endif()
+
+set(INSTALL_EXAMPLEDIR "${INSTALL_EXAMPLESDIR}/quick3d/submeshes")
+
+find_package(Qt6 COMPONENTS Core)
+find_package(Qt6 COMPONENTS Gui)
+find_package(Qt6 COMPONENTS Quick)
+find_package(Qt6 COMPONENTS Quick3D)
+
+qt_add_executable(submeshes
+    main.cpp
+)
+target_link_libraries(submeshes PUBLIC
+    Qt::Core
+    Qt::Gui
+    Qt::Quick
+    Qt::Quick3D
+)
+
+
+# Resources:
+set(meshes_resource_files
+    "meshes/distortedcube.mesh"
+)
+
+qt6_add_resources(submeshes "meshes"
+    PREFIX
+        "/"
+    FILES
+        ${meshes_resource_files}
+)
+set(qml_resource_files
+    "qml/DistortedCube.qml"
+    "qml/main.qml"
+)
+
+qt6_add_resources(submeshes "qml"
+    PREFIX
+        "/"
+    FILES
+        ${qml_resource_files}
+)
+
+install(TARGETS submeshes
+    RUNTIME DESTINATION "${INSTALL_EXAMPLEDIR}"
+    BUNDLE DESTINATION "${INSTALL_EXAMPLEDIR}"
+    LIBRARY DESTINATION "${INSTALL_EXAMPLEDIR}"
+)