Merge pull request #710 from igorsantos07/jekyll-install-improvements

Jekyll install improvements

.gitignore

@@ -1,3 +1,5 @@
 /_site/
 *.DS_Store
 node_modules
+vendor
+.bundle

CONTRIBUTING.md

@@ -66,7 +66,7 @@ included in the project:
 
     ```bash
     # Install the needed gems through Bundler
-    bundle install
+    bundle install --path vendor/bundle
     # Run the local server
     bundle exec jekyll serve
     ```

README.md

@@ -18,6 +18,8 @@ developers know where to find good information!
 
 ## How to Contribute
 
+You should read the `CONTRIBUTING.md` file for precise instructions and tips. But, if you prefer a TL;DR:
+
 1. Fork and edit
 2. Optionally install [Ruby](https://rvm.io/rvm/install/) with [Jekyll](https://github.com/mojombo/jekyll/) gem to preview locally
 3. Submit pull request for consideration

_config.yml

@@ -19,6 +19,6 @@ defaults:
       values:
           sitemap: false
 
-exclude: ['CNAME', 'CONTRIBUTING.md', 'LICENSE', 'README.md', 'pages/example.md']
+exclude: ['CNAME', 'CONTRIBUTING.md', 'LICENSE', 'README.md', 'pages/example.md', 'vendor']
 
 future: true