Add contributing guide

CONTRIBUTING

@@ -0,0 +1 @@
+http://docs.httplug.io/contributing

README.md

@@ -10,7 +10,7 @@ Browse the documentation on [Read the Docs](http://php-http.readthedocs.org/).
 
 ## Contributing
 
-Please see [CONTRIBUTING](CONTRIBUTING.md) and [CONDUCT](CONDUCT.md) for details.
+Please see our [contributing guide](http://docs.httplug.io/en/latest/contributing).
 
 
 ## Security

CONTRIBUTING.md → docs/contributing.md

@@ -75,7 +75,7 @@ $ git rebase -i HEAD~3
 If your branch conflicts with the master branch, you will need to rebase and repush it with the following commands:
 
 ``` bash
-$ git remote add upstream git@github.com:php-http/repo-name.git
+$ git remote add upstream git@github.com:orga/repo-name.git
 $ git pull --rebase upstream master
 $ git push -f origin feature-or-bug-fix-description
 ```
@@ -94,7 +94,57 @@ please let us know why you think it is important.
 In this case, your patch can only be included in the next major version.
 
 
-## Code of Conduct
+## Contributor Code of Conduct
 
-This project is released with a [Contributor Code of Conduct](CONDUCT.md).
-By participating in this project you agree to abide by its terms.
+This project is released with a Contributor Code of Conduct.
+By participating in this project you agree to abide by its terms:
+
+
+As contributors and maintainers of this project, and in the interest of
+fostering an open and welcoming community, we pledge to respect all people who
+contribute through reporting issues, posting feature requests, updating
+documentation, submitting pull requests or patches, and other activities.
+
+We are committed to making participation in this project a harassment-free
+experience for everyone, regardless of level of experience, gender, gender
+identity and expression, sexual orientation, disability, personal appearance,
+body size, race, ethnicity, age, religion, or nationality.
+
+Examples of unacceptable behavior by participants include:
+
+* The use of sexualized language or imagery
+* Personal attacks
+* Trolling or insulting/derogatory comments
+* Public or private harassment
+* Publishing other's private information, such as physical or electronic
+  addresses, without explicit permission
+* Other unethical or unprofessional conduct
+
+Project maintainers have the right and responsibility to remove, edit, or
+reject comments, commits, code, wiki edits, issues, and other contributions
+that are not aligned to this Code of Conduct, or to ban temporarily or
+permanently any contributor for other behaviors that they deem inappropriate,
+threatening, offensive, or harmful.
+
+By adopting this Code of Conduct, project maintainers commit themselves to
+fairly and consistently applying these principles to every aspect of managing
+this project. Project maintainers who do not follow or enforce the Code of
+Conduct may be permanently removed from the project team.
+
+This Code of Conduct applies both within project spaces and in public spaces
+when an individual is representing the project or its community.
+
+Instances of abusive, harassing, or otherwise unacceptable behavior may be
+reported by contacting a project maintainer at [team@php-http.org]. All
+complaints will be reviewed and investigated and will result in a response that
+is deemed necessary and appropriate to the circumstances. Maintainers are
+obligated to maintain confidentiality with regard to the reporter of an
+incident.
+
+
+This Code of Conduct is adapted from the [Contributor Covenant][homepage],
+version 1.3.0, available at
+[http://contributor-covenant.org/version/1/3/0/][version]
+
+[homepage]: http://contributor-covenant.org
+[version]: http://contributor-covenant.org/version/1/3/0/