Move contributing guidelines and fix build instructions (#620)

* Move contributing guidelines to CONTRIBUTING.md

* Update build instructions

* Update PR template for new contributing guidelines

* Fix contributing guidelines reference in README

.github/CONTRIBUTING.md

@@ -1 +1,28 @@
-Please refer to the **Contributing** and **Contributing Guidelines** sections of our [readme](https://github.com/privacytoolsIO/privacytools.io/blob/master/README.md) for the most up-to-date guidelines. Thank you.
+# Contributing Guidelines
+
+Please read this before contributing.
+
+## Rules
+
+- Be nice and respectful.
+- English only.
+- Be constructive.
+
+## Quality over Quantity
+
+We're trying to keep it simple and promote the best tools, not all of them. Maximum are three software choices, but it's possible to add more under "Worth Mentioning" headlines. ([example](https://privacytoolsio.github.io/privacytools.io/#im))
+
+## Software Criteria
+
+- Open Source
+- Cross-platform
+- Easy to use
+- Privacy respecting
+
+There can be exceptions if no software is available that meet the criteria.
+
+## Images
+
+- Provider logos should be exactly 200 x 70 ([example](https://www.privacytools.io/assets/img/provider/AirVPN.gif))
+- Tool logos should be exactly 120 x 120 ([example](https://www.privacytools.io/assets/img/tools/ChatSecure.png))
+

.github/PULL_REQUEST_TEMPLATE.md

@@ -1,4 +1,4 @@
-<!-- PLEASE READ OUR [CONTRIBUTING GUIDELINES](https://github.com/privacytoolsIO/privacytools.io#contributing-guidelines) BEFORE SUBMITTING -->
+<!-- PLEASE READ OUR [CONTRIBUTING GUIDELINES](https://github.com/privacytoolsIO/privacytools.io/blob/master/.github/CONTRIBUTING.md) BEFORE SUBMITTING -->
 
 ## Description
 

README.md

@@ -8,39 +8,14 @@ It's important for a website like privacytools.io to be up-to-date. Keep an eye
 
 **Talk to us please.** Join our [subreddit](https://www.reddit.com/r/privacytoolsIO/) and start a discussion. This is a community project and we're aiming to deliver the best information available for a better privacy. We are also using [/r/privacy](https://www.reddit.com/r/privacy). Thank you for participating.
 
-You can submit your suggestions here on GitHub [(Issues)](https://github.com/privacytoolsIO/privacytools.io/issues) and also in our [subreddit](https://www.reddit.com/r/privacytoolsIO/). Thank you.
+You can submit your suggestions here on GitHub [(Issues)](https://github.com/privacytoolsIO/privacytools.io/issues) and also in our [subreddit](https://www.reddit.com/r/privacytoolsIO/). Please refer to the [Contributing Guidelines](.github/CONTRIBUTING.md) before submitting. Thank you.
 
 ## Building
-1. Install Ruby
-2. `bundle install`
-3. `bundle exec jekyll serve` # Live refresh.
 
-# Contributing Guidelines
-Please read this before contributing.
-
-## Rules
-
-- Be nice and respectful.
-- English only.
-- Be constructive.
-
-## Quality over Quantity
-
-We're trying to keep it simple and promote the best tools, not all of them. Maximum are three software choices, but it's possible to add more under "Worth Mentioning" headlines. ([example](https://privacytoolsio.github.io/privacytools.io/#im))
-
-## Software Criteria
-
-- Open Source
-- Cross-platform
-- Easy to use
-- Privacy respecting
-
-There can be exceptions if no software is available that meet the criteria.
-
-## Images
-
-- Provider logos should be exactly 200 x 70 ([example](https://www.privacytools.io/assets/img/provider/AirVPN.gif))
-- Tool logos should be exactly 120 x 120 ([example](https://www.privacytools.io/assets/img/tools/ChatSecure.png))
+1. Install [Ruby](https://www.ruby-lang.org/en/documentation/installation/)
+1. Install [bundler](https://bundler.io/) by running `gem install bundler`.
+1. Run `bundle install` to install the required dependencies.
+1. Use `bundle exec jekyll build` to build the website. The output can be found in the `_site` directory.  Live preview is also possible by running `bundle exec jekyll serve`
 
 # Support privacytools.io