add ios and web

ios/README.md

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+# Supertonic iOS Example App
+
+A minimal iOS demo that runs Supertonic (ONNX Runtime) on-device. The app shows:
+- Multiline text input
+- NFE (denoising steps) slider
+- Voice toggle (M/F)
+- Generate & Play buttons
+- RTF display (Elapsed / Audio seconds)
+
+All ONNX models/configs are reused from `Supertonic/assets/onnx`, and voice style JSON files from `Supertonic/assets/voice_styles`.
+
+## Prerequisites
+- macOS 13+, Xcode 15+
+- Swift 5.9+
+- iOS 15+ device (recommended)
+- Homebrew, XcodeGen
+
+Install tools (if needed):
+```bash
+brew install xcodegen
+```
+
+## Quick Start (zero-click in Xcode)
+0) Prepare assets next to the iOS target (one-time)
+```bash
+cd ios/ExampleiOSApp
+mkdir -p onnx voice_styles
+rsync -a ../../assets/onnx/ onnx/
+rsync -a ../../assets/voice_styles/ voice_styles/
+```
+
+1) Generate the Xcode project with XcodeGen
+```bash
+xcodegen generate
+open ExampleiOSApp.xcodeproj
+```
+
+2) Open in Xcode and select your iPhone as the run destination
+- Targets → ExampleiOSApp → Signing & Capabilities: Select your Team
+- iOS Deployment Target: 15.0+
+
+3) Build & Run on device
+- Type text → adjust NFE/Voice → Tap Generate → Audio plays automatically
+- An RTF line shows like: `RTF 0.30x · 3.04s / 10.11s`
+
+## What's included (generated project)
+- SwiftUI app files: `App.swift`, `ContentView.swift`, `TTSViewModel.swift`, `AudioPlayer.swift`
+- Runtime wrapper: `TTSService.swift` (includes TTS inference logic)
+- Resources (local, vendored in `ios/ExampleiOSApp/onnx` and `ios/ExampleiOSApp/voice_styles` after step 0)
+
+These references are defined in `project.yml` and added to the app bundle by XcodeGen.
+
+## App Controls
+- **Text**: Multiline `TextEditor`
+- **NFE**: Denoising steps (default 5)
+- **Voice**: M1/M2/F1/F2 voice style selector (4 pre-extracted styles)
+- **Generate**: Runs end-to-end synthesis
+- **Play/Stop**: Controls playback of the last output
+- **RTF**: Shows Elapsed / Audio seconds for quick performance intuition