Create README.md

Author: ianpartridge

README.md

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+# Kitura command-line interface
+
+This Node.js package provides a `kitura` command-line interface, to simplify the process of creating [Kitura](https://github.com/IBM-Swift/Kitura) applications.
+
+## Installation via Homebrew
+
+```
+$ brew tap ibm-swift/kitura
+$ brew install kitura
+```
+
+## Installation via NPM
+
+```
+$ npm install -g yo
+$ npm install -g generator-swiftserver
+$ npm install kitura-cli
+```
+
+## Usage
+
+```
+$ kitura
+
+  Usage: kitura [options] [command]
+
+  Kitura command-line interface
+
+
+  Options:
+
+    -V, --version  output the version number
+    -h, --help     output usage information
+
+
+  Commands:
+
+    init|i      scaffold a bare-bones Kitura project
+    create|c    interactively create a Kitura project
+    idt         install IBM Cloud Developer Tools
+    help [cmd]  display help for [cmd]
+```