Add --version flag on CLI

Author: qasim

CLI/Sources/Main.swift

@@ -6,7 +6,8 @@ import Foundation
 struct Main: AsyncParsableCommand {
     static var configuration = CommandConfiguration(
         commandName: "flock",
-        abstract: "Rapid file download using concurrent connections."
+        abstract: "Rapid file download using concurrent connections.",
+        version: Flock.version
     )
 
     @Argument(help: "The URL to download.")

README.md

@@ -11,7 +11,7 @@ The objective is to speed up downloads by maximizing core usage and download ban
 Flock can be included in your project via [Swift Package Manager](https://www.swift.org/package-manager). Add the following line to the dependencies in your `Package.swift` file:
 
 ```swift
-.package(url: "https://github.com/qasim/Flock", exact: "0.1.1"),
+.package(url: "https://github.com/qasim/Flock", exact: "0.2.0"),
 ```
 
 Then, include `Flock` as a dependency for the target which requires it:

Sources/Documentation.docc/Flock.md

@@ -13,7 +13,7 @@ The objective is to speed up downloads by maximizing core usage and download ban
 Flock can be included in your project via [Swift Package Manager](https://www.swift.org/package-manager). Add the following line to the dependencies in your `Package.swift` file:
 
 ```swift
-.package(url: "https://github.com/qasim/Flock", exact: "0.1.0"),
+.package(url: "https://github.com/qasim/Flock", exact: "0.2.0"),
 ```
 
 Then, include `Flock` as a dependency for the target which requires it:

Sources/Version.swift

@@ -0,0 +1 @@
+public let version = "0.2.0"