[修改] 增加freeRTOS

1. 版本FreeRTOSv202212.01，命名为kernel；

kernel/FreeRTOS-Plus/Test/CMock/examples/make_example/test/test_foo.c

@@ -0,0 +1,17 @@
+#include "unity.h"
+#include "foo.h"
+
+void setUp(void)
+{
+}
+
+void tearDown(void)
+{
+}
+
+void test_foo_init_should_initialize_multiplier()
+{
+    foo_init();
+
+    TEST_ASSERT_FALSE(1);
+}

kernel/FreeRTOS-Plus/Test/CMock/examples/make_example/test/test_main.c

@@ -0,0 +1,15 @@
+#include "unity.h"
+#include "mock_foo.h"
+
+void setUp(void)
+{
+}
+
+void tearDown(void)
+{
+}
+
+void test_main_should_initialize_foo(void)
+{
+    TEST_IGNORE_MESSAGE("TODO: Implement main!");
+}