refactor(db): mv types.h to Types.h

Former-commit-id: 5a36823d84570784113420afa4fff7d0cd1ef1d2

cpp/src/db/db.h

@@ -5,7 +5,7 @@
 #include "options.h"
 #include "db_meta.h"
 #include "status.h"
-#include "types.h"
+#include "Types.h"
 
 namespace zilliz {
 namespace vecwise {

cpp/src/db/db_impl.h

@@ -6,7 +6,7 @@
 #include <atomic>
 #include "db.h"
 #include "memvectors.h"
-#include "types.h"
+#include "Types.h"
 
 namespace zilliz {
 namespace vecwise {

cpp/src/db/id_generators.h

 #pragma once
 
 #include <vector>
-#include "types.h"
+#include "Types.h"
 
 namespace zilliz {
 namespace vecwise {