Improve setup documentation (#25)

Gemfile.lock

@@ -6,18 +6,19 @@ GEM
       i18n (~> 0.7)
       minitest (~> 5.1)
       tzinfo (~> 1.1)
-    addressable (2.4.0)
-    autoprefixer-rails (6.5.1.1)
+    addressable (2.5.0)
+      public_suffix (~> 2.0, >= 2.0.2)
+    autoprefixer-rails (6.5.3.1)
       execjs
     colorator (1.1.0)
     colored (1.2)
     concurrent-ruby (1.0.2)
-    ethon (0.9.1)
+    ethon (0.10.1)
       ffi (>= 1.3.0)
     execjs (2.7.0)
     extras (0.1.0)
       forwardable-extended (~> 2.5)
-    fastimage (2.0.0)
+    fastimage (2.0.1)
       addressable (~> 2)
     ffi (1.9.14)
     forwardable-extended (2.6.0)
@@ -31,7 +32,7 @@ GEM
       typhoeus (~> 0.7)
       yell (~> 2.0)
     i18n (0.7.0)
-    jekyll (3.3.0)
+    jekyll (3.3.1)
       addressable (~> 2.4)
       colorator (~> 1.0)
       jekyll-sass-converter (~> 1.0)
@@ -50,27 +51,28 @@ GEM
       rack (> 1, < 2)
       sprockets (~> 3.3, < 3.7)
     jekyll-paginate (1.1.0)
-    jekyll-sass-converter (1.4.0)
+    jekyll-sass-converter (1.5.0)
       sass (~> 3.4)
     jekyll-sitemap (0.12.0)
       jekyll (~> 3.3)
     jekyll-watch (1.5.0)
       listen (~> 3.0, < 3.1)
-    kramdown (1.12.0)
+    kramdown (1.13.1)
     liquid (3.0.6)
     listen (3.0.8)
       rb-fsevent (~> 0.9, >= 0.9.4)
       rb-inotify (~> 0.9, >= 0.9.7)
     mercenary (0.3.6)
-    mini_magick (4.5.1)
+    mini_magick (4.6.0)
     mini_portile2 (2.1.0)
-    minitest (5.9.1)
+    minitest (5.10.1)
     nokogiri (1.6.8.1)
       mini_portile2 (~> 2.1.0)
-    parallel (1.9.0)
+    parallel (1.10.0)
     pathutil (0.14.0)
       forwardable-extended (~> 2.6)
-    rack (1.6.4)
+    public_suffix (2.0.4)
+    rack (1.6.5)
     rb-fsevent (0.9.8)
     rb-inotify (0.9.7)
       ffi (>= 0.5.0)
@@ -85,7 +87,7 @@ GEM
       ethon (>= 0.8.0)
     tzinfo (1.2.2)
       thread_safe (~> 0.1)
-    uglifier (3.0.3)
+    uglifier (3.0.4)
       execjs (>= 0.3.0, < 3)
     yell (2.0.7)
 
@@ -104,4 +106,4 @@ DEPENDENCIES
   uglifier
 
 BUNDLED WITH
-   1.12.5
+   1.13.6

README.md

@@ -43,7 +43,11 @@ Used tools
 
 ### Installation
 
-If you haven't installed Ruby then go ahead and install it with: `brew install Ruby`.
+If you haven't installed the following tools then go ahead and do so (make sure you have [Homebrew](http://brew.sh/) installed):
+
+    brew install ruby
+    brew install npm
+
 Next setup your environment:
 
     bin/setup

_posts/2016-10-17-introducing-chalk.md

@@ -48,7 +48,13 @@ tags: [web, jekyll]
 
 ## Installation
 
-If you haven't installed Ruby then go ahead and install it with: `brew install Ruby`.
+If you haven't installed the following tools then go ahead and do so (make sure you have [Homebrew](http://brew.sh/) installed):
+
+{% highlight bash %}
+brew install ruby
+brew install npm
+{% endhighlight %}
+
 Next setup your environment:
 
 {% highlight bash %}

bin/setup

@@ -12,5 +12,5 @@ bundle check || bundle install
 bundle update
 
 # Set up JS dependencies via Bower.
-bower --version > /dev/null || npm install -g bower
+npm i -g bower
 bower install