[samotari#118] iOS testing

Added iOS platform and iOS icons in the config file.

config.xml

@@ -13,13 +13,24 @@
         <icon density="xxhdpi" src="images/favicon/favicon-android-xxhdpi.png" />
         <icon density="xxxhdpi" src="images/favicon/favicon-android-xxxhdpi.png" />
     </platform>
-    <engine name="android" spec="7.0.0" />
-    <engine name="browser" spec="5.0.3" />
+    <platform name="ios">
+        <icon height="57" src="images/favicon/apple-touch-icon-57x57.png" width="57" />
+        <icon height="60" src="images/favicon/apple-touch-icon-60x60.png" width="60" />
+        <icon height="72" src="images/favicon/apple-touch-icon-72x72.png" width="72" />
+        <icon height="76" src="images/favicon/apple-touch-icon-76x76.png" width="76" />
+        <icon height="114" src="images/favicon/apple-touch-icon-114x114.png" width="114" />
+        <icon height="120" src="images/favicon/apple-touch-icon-120x120.png" width="120" />
+        <icon height="144" src="images/favicon/apple-touch-icon-144x144.png" width="144" />
+        <icon height="152" src="images/favicon/apple-touch-icon-152x152.png" width="152" />
+    </platform>
     <plugin name="cordova-plugin-whitelist" spec="1.3.3" />
     <plugin name="cordova-sqlite-storage" spec="2.2.1" />
     <plugin name="phonegap-plugin-barcodescanner" spec="7.0.2" />
     <plugin name="cordova-android-support-gradle-release" spec="1.2.0">
         <variable name="ANDROID_SUPPORT_VERSION" value="26.+" />
     </plugin>
     <plugin name="cordova-plugin-inappbrowser" spec="2.0.2" />
+    <engine name="android" spec="7.0.0" />
+    <engine name="browser" spec="5.0.3" />
+    <engine name="ios" spec="4.5.4" />
 </widget>

package.json

@@ -47,6 +47,7 @@
     "cordova-android": "7.0.0",
     "cordova-android-support-gradle-release": "1.2.0",
     "cordova-browser": "5.0.3",
+    "cordova-ios": "4.5.4",
     "cordova-plugin-inappbrowser": "2.0.2",
     "cordova-plugin-whitelist": "1.3.3",
     "cordova-sqlite-storage": "2.2.1",
@@ -80,7 +81,8 @@
   "cordova": {
     "platforms": [
       "android",
-      "browser"
+      "browser",
+      "ios"
     ],
     "plugins": {
       "cordova-plugin-whitelist": {},