[DOCS] Yard options added.

== Addons

* .yardopts added to root and .gemspec.

== Changes

* README updated.
* Dependencies updated.
[REFACTORING] Copy helper moved from Generator to Helpers.

== Addons

* Helpers module.

== Changes

* Generator::Copy -> Helpers::Copy
* Generator code updated.
[FEATURE] Generate scaffolds default bin and spec files.

== Addons

* Generate adds bin file by default.
* Generate adds spec/bin specification by default.

== Version

Release 0.3.0 (unstable) launched.