chore: scaffold Voice iOS app (Phase 0)

XcodeGen project, SwiftUI iOS 17 target dev.shane.voice, SPM
livekit-client-swift 2.16.0, mic usage + ATS LAN exception in
Info.plist, placeholder conversation screen and Settings with
server URL field.

project.yml

@@ -0,0 +1,42 @@
+name: Voice
+options:
+  bundleIdPrefix: dev.shane
+  deploymentTarget:
+    iOS: "17.0"
+  createIntermediateGroups: true
+packages:
+  LiveKit:
+    url: https://github.com/livekit/client-sdk-swift
+    from: "2.0.0"
+targets:
+  Voice:
+    type: application
+    platform: [iOS]
+    sources:
+      - Sources
+    dependencies:
+      - package: LiveKit
+        product: LiveKit
+    resources:
+      - path: Resources/Assets.xcassets
+    info:
+      path: Resources/Info.plist
+      properties:
+        CFBundleDisplayName: Hope Voice
+        UILaunchScreen: {}
+        NSMicrophoneUsageDescription: "Hope Voice uses the microphone for live voice conversation."
+        NSAppTransportSecurity:
+          NSExceptionDomains:
+            192.168.86.2:
+              NSIncludesSubdomains: true
+              NSExceptionAllowsInsecureHTTPLoads: false
+    settings:
+      base:
+        PRODUCT_BUNDLE_IDENTIFIER: dev.shane.voice
+        GENERATE_INFOPLIST_FILE: NO
+        INFOPLIST_FILE: Resources/Info.plist
+        SWIFT_VERSION: "5.9"
+        TARGETED_DEVICE_FAMILY: "1"
+        CURRENT_PROJECT_VERSION: 1
+        MARKETING_VERSION: "0.1.0"
+        CODE_SIGN_STYLE: Automatic