Fix Gemfile, update README

Gemfile

@@ -1,6 +1,8 @@
 # NOTE: These are development-only dependencies
 source "https://rubygems.org"
 
+gemspec
+
 group :development, :test do
   gem 'rubocop'
   gem 'byebug'

Gemfile.lock

@@ -1,3 +1,8 @@
+PATH
+  remote: .
+  specs:
+    dev-ui (0.1.0)
+
 GEM
   remote: https://rubygems.org/
   specs:
@@ -21,7 +26,7 @@ GEM
     powerpack (0.1.1)
     rainbow (2.2.2)
       rake
-    rake (12.0.0)
+    rake (10.5.0)
     rubocop (0.49.1)
       parallel (~> 1.10)
       parser (>= 2.3.3.1, < 3.0)
@@ -36,12 +41,15 @@ PLATFORMS
   ruby
 
 DEPENDENCIES
+  bundler (~> 1.15)
   byebug
+  dev-ui!
   method_source
   minitest (>= 5.0.0)
   minitest-reporters
   mocha
+  rake (~> 10.0)
   rubocop
 
 BUNDLED WITH
-   1.15.0
+   1.16.0

README.md

@@ -1,3 +1,27 @@
+Dev UI
+---
+
+Dev UI is a small framework who's only responsibility is to print pretty to the terminal
+
+- [Documentation](http://www.rubydoc.info/gems/dev-ui/)
+- [Rubygems](https://rubygems.org/gems/dev-ui)
+
+## Features
+
+This may not be an exhaustive list. Please check our [documentation](http://www.rubydoc.info/gems/dev-ui/) for more information.
+
+- Nested framing to handle content flow (see example below)
+- Interactive Prompts (prompt user with options, using arrow keys, numbers, or vim bindings, choose)
+- Free form text prompts
+- Spinner groups to handle many multi-threaded processes (see example below)
+- Text Color formatting (e.g. `{{red:Red}} {{green:Green}}`)
+- Symbol Formatting (e.g. `{{*}}` => a yellow ⭑) 
+- Progress Bar
+
+## Example Usage
+
+The following code makes use of nested-framing, multi-threaded spinners, formatted text, and more.
+
 ```ruby
 require 'dev/ui'
 
@@ -7,16 +31,24 @@ Dev::UI::Frame.open('{{*}} {{bold:a}}', color: :green) do
   Dev::UI::Frame.open('{{i}} b', color: :magenta) do
     Dev::UI::Frame.open('{{?}} c', color: :cyan) do
       sg = Dev::UI::SpinGroup.new
-      sg.add('wow') { sleep(2.5) }
+      sg.add('wow') do |spinner|
+        sleep(2.5)
+        spinner.update_title('second round!')
+        sleep (1.0)
+      end
       sg.add('such spin') { sleep(1.6) }
       sg.add('many glyph') { sleep(2.0) }
       sg.wait
     end
   end
   Dev::UI::Frame.divider('{{v}} lol')
-  puts 'words'
+  puts Dev::UI.fmt '{{info:words}} {{red:oh no!}} {{green:success!}}'
   sg = Dev::UI::SpinGroup.new
   sg.add('more spins') { sleep(0.5) ; raise 'oh no' }
   sg.wait
 end
 ```
+
+Output:
+
+![Example Output](https://user-images.githubusercontent.com/3074765/33797758-7a54c7cc-dcdb-11e7-918e-a47c9689f068.gif)