pub fn get_project_path() -> Result(String, String)

pub fn main() -> Result(List(Nil), String)

pub fn merge(source: String, other: String) -> String

pub fn update_directory_recursively(
  dir_path: String,
) -> List(#(String, String))

pub fn write_to_files(
  files: List(#(String, String)),
) -> List(Nil)