iOS demo for the p2p-webrtc video-transform example

examples/p2p-webrtc/video-transform/client/ios/SimpleChatbot/views/extensions/CustomColors.swift

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+import SwiftUI
+
+public extension Color {
+    
+    static let backgroundCircle = Color(hex: "#374151")
+    static let backgroundCircleNotConnected = Color(hex: "#D1D5DB")
+    static let backgroundApp = Color(hex: "#F9FAFB")
+    static let buttonsBorder = Color(hex: "#E5E7EB")
+    static let micVolume = Color(hex: "#86EFAC")
+    static let disabledMic = Color(hex: "#ee6b6e")
+    static let disabledVision = Color(hex: "#BBF7D0")
+        
+    init(hex: String) {
+        let scanner = Scanner(string: hex)
+        _ = scanner.scanString("#")
+        
+        var rgb: UInt64 = 0
+        scanner.scanHexInt64(&rgb)
+        
+        let red = Double((rgb >> 16) & 0xFF) / 255.0
+        let green = Double((rgb >> 8) & 0xFF) / 255.0
+        let blue = Double(rgb & 0xFF) / 255.0
+        
+        self.init(red: red, green: green, blue: blue)
+    }
+}