* Adjust rustfmt.toml to newest rustfmt 1.3.3

* fix some minor warnings

* apply rustfmt

* fix formatting (make CI happy)

* WIP: add template

* Zip build file from temp dir

* Unzip in new command

* Unzip files to target dir

* Fix warnings

* Remove unwraps from unzipping

* Refactor build.rs

* rustfmt

* Remove printlns

* Use PathBuf in build.rs

* Replace variables in template files

* Diable zip default features

* rustfmt