adds SqliteDb class
Signed-off-by: Sho Nakatani <lay.sakura@gmail.com>
uses ->
Signed-off-by: Sho Nakatani <lay.sakura@gmail.com>
move SqliteDb to utils.h
Signed-off-by: Sho Nakatani <lay.sakura@gmail.com>
all tests works.
next, read TODOs and refactor
Signed-off-by: Sho Nakatani <lay.sakura@gmail.com>