Add ability to add plugins manually

[tarecord]

Currently, the add_plugin() method sets the current plugin slug and there's no way to override it. We should add a parameter to the method so plugins can override the wp_slug and manually add additional plugins to the opt-in option (stellarwp_telemetry in the options table).

telemetry/src/Telemetry/Opt_In/Status.php

Lines 139 to 158 in 331b617

	/**
	* Adds a plugin slug to the opt-in option array.
	*
	* @since 1.0.0
	*
	* @param string $stellar_slug The unique slug identifier for the plugin.
	* @param boolean $status The opt-in status for the plugin.
	*
	* @return boolean
	*/
	public function add_plugin( string $stellar_slug, bool $status = false ) {
	$option = $this->get_option();
	$option['plugins'][ $stellar_slug ] = [
	'wp_slug' => Config::get_container()->get( Core::PLUGIN_BASENAME ),
	'optin' => $status,
	];
	return update_option( $this->get_option_name(), $option );
	}