feat: initial release — SRT Streamer v1.0.0

Cross-platform Electron + React + FFmpeg desktop app for sending
multiple SRT streams simultaneously.

Features:
- Multiple simultaneous SRT output streams
- Video sources: desktop, window capture, cameras, capture cards
- Audio sources: microphones, system loopback, sound cards
- H.264 encoding with HW acceleration (NVENC/QSV/AMF/VideoToolbox)
- SRT modes: caller / listener / rendezvous
- Frame profile presets (4K, 1080p, 720p, 480p, 360p)
- Tolbek SRT receiver with configurable mode
- System tray: minimize-to-tray, exit confirmation dialog
- Portable build via electron-builder

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

assets/generate-icons.js

@@ -0,0 +1,39 @@
+/**
+ * Run with: node assets/generate-icons.js
+ * Requires: npm install sharp (dev only)
+ * Generates PNG icons from SVG for all platforms.
+ * If sharp is not available, falls back to copying a placeholder.
+ */
+const fs = require('fs')
+const path = require('path')
+
+async function generate() {
+  const svgPath = path.join(__dirname, 'icon.svg')
+  const svgData = fs.readFileSync(svgPath)
+
+  try {
+    const sharp = require('sharp')
+    // PNG 512x512
+    await sharp(svgData).resize(512, 512).png().toFile(path.join(__dirname, 'icon.png'))
+    console.log('icon.png generated')
+
+    // Tray icon 32x32
+    await sharp(svgData).resize(32, 32).png().toFile(path.join(__dirname, 'tray-icon.png'))
+    console.log('tray-icon.png generated')
+
+    console.log('Done. For ICO/ICNS, use electron-icon-builder or convert manually.')
+  } catch (e) {
+    console.log('sharp not available, creating placeholder PNG...')
+    // Create a minimal 1x1 placeholder PNG (will work as fallback)
+    const minPng = Buffer.from(
+      '89504e470d0a1a0a0000000d49484452000000010000000108020000009001' +
+      '2e000000000c4944415408d76360f8cfc00000000200017e21bc330000000049454e44ae426082',
+      'hex'
+    )
+    fs.writeFileSync(path.join(__dirname, 'icon.png'), minPng)
+    fs.writeFileSync(path.join(__dirname, 'tray-icon.png'), minPng)
+    console.log('Placeholder icons created.')
+  }
+}
+
+generate().catch(console.error)