[New Plugin]: ar (`.a`) container transform plugin

[ArcaneNibble]

Plugin Description

This plugin processes .a files, which are a collection of multiple object files, using the 5.2 container support

Plugin Repository URL

Repo URL: https://github.com/ArcaneNibble/binja-ar

Real Release

• I have made a real release

Creation and Validation of plugin.json

• I have created a valid plugin.json file

[fosdickio]

@ArcaneNibble We are excited to play around with this! Thanks for the contribution.