chore(example): added example app from separate repository

Author: crelies

Example/LICENSE

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+MIT License
+
+Copyright (c) 2020 Christian Elies
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

Example/README.md

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+# RemoteImage-SwiftUI
+
+Remote Image view with error and loading state for **SwiftUI**
+
+This repository contains a usage example of my Swift package for a remote **SwiftUI** `Image view` to show remote images.
+You can find the Swift package [here](https://github.com/crelies/RemoteImage).
+
+## Motivation
+
+I wanted to have a simple and extendable remote image view in **SwiftUI** which takes care of all the magic
+(image loading, caching, error and loading view). At my current employer we used a custom **UIKit** view for that.
+
+## Preview
+
+![Animated preview image](https://github.com/crelies/RemoteImage-SwiftUI/blob/master/RemoteImage.gif)
+
+Code:
+
+```swift
+let url = URL(string: "https://images.unsplash.com/photo-1524419986249-348e8fa6ad4a?ixlib=rb-1.2.1&ixid=eyJhcHBfaWQiOjEyMDd9&auto=format&fit=crop&w=1950&q=80")!
+
+RemoteImage(type: .url(url), errorView: { error in
+    Text(error.localizedDescription)
+}, image: { image in
+    image
+    .resizable()
+    .aspectRatio(contentMode: .fit)
+}, loadingView: {
+    Text("Loading ...")
+})
+```

Example/RemoteImage-Example.entitlements

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+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>com.apple.security.app-sandbox</key>
+	<true/>
+	<key>com.apple.security.network.client</key>
+	<true/>
+</dict>
+</plist>