Use new theme file structure
```
themes/
[theme_name]
[theme_name]-common.ts
[theme_name]-light.ts
[theme_name]-dark.ts
LICENSE
```
Release Notes:
- N/A
Use new theme file structure
```
themes/
[theme_name]
[theme_name]-common.ts
[theme_name]-light.ts
[theme_name]-dark.ts
LICENSE
```
Release Notes:
- N/A