Update README with new package name (#12)

Author: eneko

README.md

@@ -1,6 +1,6 @@
-# System
+# ProcessRunner
 
-![System](/system.png)
+![ProcessRunner](/processrunner.png)
 
 ![Release](https://img.shields.io/github/release/eneko/System.svg)
 ![Swift 5.0](https://img.shields.io/badge/Swift-5.0-orange.svg)
@@ -29,15 +29,15 @@ scripting (Rakefile, Fastlane, Danger, etc), you will feel like home.
 ### 💻 Automatically redirect output to stdout 
 
 ```swift
-import System
+import ProcessRunner
 
 try system(command: "echo hello world") // prints "hello world" to stdout
 ```
 
 ### ✇ Capture process output 
 
 ```swift
-import System
+import ProcessRunner
 
 let output = try system(command: "echo hello world", captureOutput: true).standardOutput
 print(output) // prints "hello world"
@@ -46,35 +46,35 @@ print(output) // prints "hello world"
 ### ✔️ Check if process terminated gracefully 
 
 ```swift
-import System
+import ProcessRunner
 
 print(try system(command: "echo hello world").success) // prints "true"
 ```
 
 ### |> Easily execute Shell commands with pipes and redirects
 
 ```swift
-import System
+import ProcessRunner
 
 try system(shell: "echo hello cat > cat && cat cat | awk '{print $2}'") // prints "cat" to stdout
 ```
 
 ## Installation
 
-Add `System` to your `Package.swift`:
+Add `ProcessRunner` to your `Package.swift`:
 
 ```swift
 import PackageDescription
 
 let package = Package(
     name: "YourPackage",
     dependencies: [
-        .package(url: "git@github.com:eneko/System.git", from: "1.0.0"),
+        .package(url: "git@github.com:eneko/ProcessRunner.git", from: "1.0.0"),
     ],
     targets: [
         .target(
             name: "YourTarget",
-            dependencies: ["System"]),
+            dependencies: ["ProcessRunner"]),
     ]
 )
 ```