v1.3.0

What's Changed

• fix build fail when there is no config file directory by @taukakao in #20
• refactors build file by @taukakao in #14
• adds support for device files by @taukakao in #18
• Fix permissions by @taukakao in #16
• adds unit tests for build function by @taukakao in #15

Full Changelog: v1.2.1...v1.3.0