* [cli] Implement the build command

* [cli] Remove all build.sh scripts

* [cli] Restore build-all.sh

* Fix the test.

* Strip custom sections

* Add some testing.

* Strip name and reloc sections as well

* [cli] handle directory already exists, display friendly errors

* [cli] rustfmt

* [cli] don't overwrite existing files

* [cli] add test

* [cli] atomic check for file exists on create

* [cli] derive From/Display impls, remove CommandErrorKind

* 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