Adding bitset checkpoint

tests/main/main.c

@@ -1,6 +1,7 @@
 #include "utl/timer.h"
 
 #include "unt/bidimap.c"
+#include "unt/bitset.c"
 #include "unt/deque.c"
 #include "unt/hashmap.c"
 #include "unt/hashset.c"
@@ -47,6 +48,8 @@ int main(void)
     uintmax_t tests = 0, units = 0;
 
     cmc_run(BidiMap, units, tests);
+    cmc_run(BitSet, units, tests);
+    cmc_run(BitSetIter, units, tests);
     cmc_run(Deque, units, tests);
     cmc_run(DequeIter, units, tests);
     cmc_run(HashMap, units, tests);