[README] Add installation section for Accio (#712)

* [README] Add installation section for Accio

* [README] Update Accio example version to 1.0.0

README.md

@@ -3,6 +3,7 @@
 [![Swift support](https://img.shields.io/badge/Swift-3.1%20%7C%203.2%20%7C%204.0%20%7C%204.1%20%7C%204.2%20%7C%205.0-lightgrey.svg?colorA=28a745&colorB=4E4E4E)](#swift-versions-support)
 [![CocoaPods Compatible](https://img.shields.io/cocoapods/v/CryptoSwift.svg?style=flat&label=CocoaPods&colorA=28a745&&colorB=4E4E4E)](https://cocoapods.org/pods/CryptoSwift)
 [![Carthage compatible](https://img.shields.io/badge/Carthage-compatible-brightgreen.svg?style=flat&colorA=28a745&&colorB=4E4E4E)](https://github.com/Carthage/Carthage)
+[![Accio supported](https://img.shields.io/badge/Accio-supported-brightgreen.svg?style=flat&colorA=28a745&&colorB=4E4E4E)](https://github.com/JamitLabs/Accio)
 [![Swift Package Manager compatible](https://img.shields.io/badge/SPM-compatible-brightgreen.svg?style=flat&colorA=28a745&&colorB=4E4E4E)](https://github.com/apple/swift-package-manager)
 
 [![Twitter](https://img.shields.io/badge/Twitter-@krzyzanowskim-blue.svg?style=flat)](http://twitter.com/krzyzanowskim)
@@ -169,6 +170,26 @@ github "krzyzanowskim/CryptoSwift"
 
 Run `carthage` to build the framework and drag the built CryptoSwift.framework into your Xcode project. Follow [build instructions](https://github.com/Carthage/Carthage#getting-started). [Common issues](https://github.com/krzyzanowskim/CryptoSwift/issues/492#issuecomment-330822874).
 
+#### Accio 
+You can use [Accio](https://github.com/JamitLabs/Accio). 
+Specify in Package.swift:
+
+```swift
+.package(url: "https://github.com/krzyzanowskim/CryptoSwift.git", .upToNextMajor(from: "1.0.0")),
+```
+
+Next, add `CryptoSwift` to your App targets dependencies like so:
+```swift
+.target(
+    name: "App",
+    dependencies: [
+        "CryptoSwift",
+    ]
+),
+```
+
+Then run `accio update`.
+
 #### Swift Package Manager
 
 You can use [Swift Package Manager](https://swift.org/package-manager/) and specify dependency in `Package.swift` by adding this: