Sprinter: добавить отладку C-исходников и интеграцию VS Code

tests/sdbg/fixtures/logmacro.c

@@ -0,0 +1,17 @@
+#include <sdbg.h>
+
+volatile int total;
+
+#define AUTHOR_LOG(tag, text) SDBG_LOG(tag, text)
+
+int main(void)
+{
+    total = 1;
+    AUTHOR_LOG(after_one,
+               "total=" "{total}");
+#if 0
+    SDBG_LOG(inactive, "should not exist");
+#endif
+    total = 2;
+    return total;
+}