Function vsp_maybe_load

Adds Passed Plugin path to the list array which later used to compare and load the framework from a plugin which has the latest version of framework

Located at vsp-init.php

Parameters summary
`array`	`$callback = []`	Custom function to callback when VSP is loaded.
`string`	`$plugin_path = ''`	Plugin Path To register With VSP.
`string`	`$framework_path = 'vsp-framework'`	Exact path of the vsp framework in the plugin.