Dwords

This is release v0.2.0 which updated the following:

- Included dictionaries
- Fixed some bugs
- Enhanced user experience

Happy new year! Here is the first release of DWords! 🎉

With the first release, you can:

- Remember words with ubiquitous Danmakus
- Synchronize between multiple devices by email
- Add words using you phone by email

There are still some problems, we'll try to optimize it in later versions.