Bring back README and license

Author: ardatan

LICENSE

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+LICENSE AGREEMENT For graphql.org software
+
+Facebook, Inc. (“Facebook”) owns all right, title and interest, including all
+intellectual property and other proprietary rights, in and to the graphql.org
+software. Subject to your compliance with these terms, you are hereby granted a
+non-exclusive, worldwide, royalty-free copyright license to (1) use and copy the
+graphql.org software; and (2) reproduce and distribute the graphql.org software
+as part of your own software (“Your Software”). Facebook reserves all rights not
+expressly granted to you in this license agreement.
+
+THE SOFTWARE AND DOCUMENTATION, IF ANY, ARE PROVIDED "AS IS" AND ANY EXPRESS OR
+IMPLIED WARRANTIES (INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE) ARE DISCLAIMED. IN NO
+EVENT SHALL FACEBOOK OR ITS AFFILIATES, OFFICES, DIRECTORS OR EMPLOYEES BE
+LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
+GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
+THE USE OF THE SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+You will include in Your Software (e.g., in the file(s), documentation or other
+materials accompanying your software): (1) the disclaimer set forth above; (2)
+this sentence; and (3) the following copyright notice:
+
+Copyright (c) 2015, Facebook, Inc. All rights reserved.

README.md

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+# Contributing
+
+Organization gh-pages deploy the `master` branch, so active development occurs
+on this `source` branch.
+
+### Making changes
+
+The first time, get all the dependencies loaded via
+
+`$ npm install` or `$ yarn install`
+
+Then, run the server via
+
+`$ npm start` or `$ yarn start`
+
+Open [http://localhost:8000](http://localhost:8000) to view it in the browser.
+Anytime you make some changes, refresh the page to see the updates.
+
+### Publish the Website
+
+Once pushed to the `source` branch, CI will publish http://graphql.org