Add SPM Support to a Capacitor Plugin

Add Swift Package Manager (SPM) support to an existing Capacitor plugin by replacing the Objective-C bridge with the CAPBridgedPlugin Swift protocol and adding a Package.swift manifest.

Prerequisites

The project must be a Capacitor plugin (not an app project). The plugin must have an existing iOS implementation with Swift source files in ios/Plugin/.

Procedures

Step 1: Gather Plugin Information