Update CMake template (#169)

Author: RobLoach

projects/CMake/.gitignore

@@ -0,0 +1 @@
+/build

projects/CMake/CMakeLists.txt

@@ -1,24 +1,16 @@
-cmake_minimum_required(VERSION 3.11) # FetchContent is available in 3.11+
+cmake_minimum_required(VERSION 3.14)
 project(raylib_cpp_example)
 
 # raylib
 find_package(raylib QUIET)
 if (NOT raylib_FOUND)
     include(FetchContent)
-        FetchContent_Declare(
+    FetchContent_Declare(
         raylib
         GIT_REPOSITORY https://github.com/raysan5/raylib.git
         GIT_TAG 4.0.0
     )
-    FetchContent_GetProperties(raylib)
-    if (NOT raylib_POPULATED) # Have we downloaded raylib yet?
-        set(FETCHCONTENT_QUIET NO)
-        FetchContent_Populate(raylib)
-        set(BUILD_EXAMPLES OFF CACHE BOOL "" FORCE)
-        set(BUILD_GAMES    OFF CACHE BOOL "" FORCE)
-        set(BUILD_TESTING  OFF CACHE BOOL "" FORCE)
-        add_subdirectory(${raylib_SOURCE_DIR} ${raylib_BINARY_DIR})
-    endif()
+    FetchContent_MakeAvailable(raylib)
 endif()
 
 # raylib-cpp
@@ -28,20 +20,14 @@ if (NOT raylib_cpp_FOUND)
     FetchContent_Declare(
         raylib_cpp
         GIT_REPOSITORY https://github.com/RobLoach/raylib-cpp.git
-        GIT_TAG v4.0.4
+        GIT_TAG v4.1.0
     )
-    FetchContent_GetProperties(raylib_cpp)
-    if (NOT raylib_cpp_POPULATED) # Have we downloaded raylib-cpp yet?
-        set(FETCHCONTENT_QUIET NO)
-        FetchContent_Populate(raylib_cpp)
-        add_subdirectory(${raylib_cpp_SOURCE_DIR} ${raylib_cpp_BINARY_DIR})
-    endif()
+    FetchContent_MakeAvailable(raylib_cpp)
 endif()
 
 # This is the main part:
-set(PROJECT_NAME raylib_cpp_example)
-set(PROJECT_SOURCES main.cpp)
-add_executable(${PROJECT_NAME} ${PROJECT_SOURCES})
+set(SOURCES main.cpp)
+add_executable(${PROJECT_NAME} ${SOURCES})
 set_target_properties(${PROJECT_NAME} PROPERTIES CXX_STANDARD 11)
 target_link_libraries(${PROJECT_NAME} PUBLIC raylib raylib_cpp)