added gfx (empty test)

working on gfx module
added a few draw function
gfx still wip
added tamplate for test

test/oled/oled_test.c

@@ -0,0 +1,26 @@
+#include "unity.h"
+
+
+
+void setUp(void)
+{
+}
+
+void tearDown(void)
+{
+}
+
+void test_one(void)
+{
+    TEST_FAIL();
+}
+
+
+
+int main(void)
+{
+    UNITY_BEGIN();
+    RUN_TEST(test_one);
+
+    return UNITY_END();
+}