adjust instructions for capacitor-assets and more files

ios/.gitignore

@@ -21,3 +21,7 @@ fastlane/report.xml
 fastlane/Preview.html
 fastlane/screenshots
 fastlane/test_output
+
+# Generated Icons from capacitor-assets
+App/App/Assets.xcassets/AppIcon.appiconset/*.png
+App/App/Assets.xcassets/Splash.imageset/*.png

ios/App/App/Assets.xcassets/AppIcon.appiconset/Contents.json

@@ -1,14 +0,0 @@
-{
-  "images": [
-    {
-      "idiom": "universal",
-      "size": "1024x1024",
-      "filename": "AppIcon-512@2x.png",
-      "platform": "ios"
-    }
-  ],
-  "info": {
-    "author": "xcode",
-    "version": 1
-  }
-}

ios/App/App/Assets.xcassets/Splash.imageset/Contents.json

@@ -1,23 +0,0 @@
-{
-  "images" : [
-    {
-      "idiom" : "universal",
-      "filename" : "splash-2732x2732-2.png",
-      "scale" : "1x"
-    },
-    {
-      "idiom" : "universal",
-      "filename" : "splash-2732x2732-1.png",
-      "scale" : "2x"
-    },
-    {
-      "idiom" : "universal",
-      "filename" : "splash-2732x2732.png",
-      "scale" : "3x"
-    }
-  ],
-  "info" : {
-    "version" : 1,
-    "author" : "xcode"
-  }
-}