Added radar map placeholders

1Weather.xcodeproj/xcuserdata/dstepanets.xcuserdatad/xcschemes/xcschememanagement.plist

@@ -12,12 +12,12 @@
 		<key>OneWeatherNotificationServiceExtension.xcscheme_^#shared#^_</key>
 		<dict>
 			<key>orderHint</key>
-			<integer>1</integer>
+			<integer>2</integer>
 		</dict>
 		<key>OneWeatherWidgetExtension.xcscheme_^#shared#^_</key>
 		<dict>
 			<key>orderHint</key>
-			<integer>2</integer>
+			<integer>4</integer>
 		</dict>
 		<key>PG (Playground) 1.xcscheme</key>
 		<dict>

OneWeatherUI/OneWeatherUI/Assets.xcassets/map-placeholder-dark.imageset/Contents.json

+{
+  "images" : [
+    {
+      "filename" : "map-placeholder-dark.pdf",
+      "idiom" : "universal"
+    }
+  ],
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  },
+  "properties" : {
+    "preserves-vector-representation" : true
+  }
+}

OneWeatherUI/OneWeatherUI/Assets.xcassets/map-placeholder-white.imageset/Contents.json

+{
+  "images" : [
+    {
+      "filename" : "map-placeholder-white.pdf",
+      "idiom" : "universal"
+    }
+  ],
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  },
+  "properties" : {
+    "preserves-vector-representation" : true
+  }
+}

OneWeatherUI/OneWeatherUI/Widgets/Radar/LargeRadarWidgetView.swift

@@ -11,6 +11,20 @@ import MapKit
 @available(iOS 14, *)
 public struct LargeRadarWidgetView: View {
     //Private
+    private var mapPlaceholderImage: UIImage? {
+        switch colorScheme {
+        case .dark:
+            return UIImage(named: "map-placeholder-dark",
+                           in: OneWeatherUI.frameworkBundle,
+                           compatibleWith: nil)
+        case .light:
+            return UIImage(named: "map-placeholder-white",
+                           in: OneWeatherUI.frameworkBundle,
+                           compatibleWith: nil)
+        default:
+            return UIImage()
+        }
+    }
     @Environment(\.colorScheme) private var colorScheme
     
     //Public
@@ -32,7 +46,7 @@ public struct LargeRadarWidgetView: View {
             }
             .padding([.leading, .trailing], 10)
             
-            let image = widgetViewModel.radarImage ?? UIImage()
+            let image = widgetViewModel.radarImage ?? mapPlaceholderImage!
             Image(uiImage: image)
                 .resizable()
                 .background(Color(image.size == .zero ? UIColor.lightGray : UIColor.clear))