feat: add documentations and travis config (#3)

.github/CODE_OF_CONDUCT.md

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+# Contributor Covenant Code of Conduct
+
+## Our Pledge
+
+In the interest of fostering an open and welcoming environment, we as
+contributors and maintainers pledge to making participation in our project and
+our community a harassment-free experience for everyone, regardless of age, body
+size, disability, ethnicity, gender identity and expression, level of experience,
+nationality, personal appearance, race, religion, or sexual identity and
+orientation.
+
+## Our Standards
+
+Examples of behavior that contributes to creating a positive environment
+include:
+
+* Using welcoming and inclusive language
+* Being respectful of differing viewpoints and experiences
+* Gracefully accepting constructive criticism
+* Focusing on what is best for the community
+* Showing empathy towards other community members
+
+Examples of unacceptable behavior by participants include:
+
+* The use of sexualized language or imagery and unwelcome sexual attention or
+advances
+* Trolling, insulting/derogatory comments, and personal or political attacks
+* Public or private harassment
+* Publishing others' private information, such as a physical or electronic
+  address, without explicit permission
+* Other conduct which could reasonably be considered inappropriate in a
+  professional setting
+
+## Our Responsibilities
+
+Project maintainers are responsible for clarifying the standards of acceptable
+behavior and are expected to take appropriate and fair corrective action in
+response to any instances of unacceptable behavior.
+
+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.
+
+## Scope
+
+This Code of Conduct applies both within project spaces and in public spaces
+when an individual is representing the project or its community. Examples of
+representing a project or community include using an official project e-mail
+address, posting via an official social media account, or acting as an appointed
+representative at an online or offline event. Representation of a project may be
+further defined and clarified by project maintainers.
+
+## Enforcement
+
+Instances of abusive, harassing, or otherwise unacceptable behavior may be
+reported by contacting the project team at team@freecodecamp.org. All
+complaints will be reviewed and investigated and will result in a response that
+is deemed necessary and appropriate to the circumstances. The project team is
+obligated to maintain confidentiality with regard to the reporter of an incident.
+Further details of specific enforcement policies may be posted separately.
+
+Project maintainers who do not follow or enforce the Code of Conduct in good
+faith may face temporary or permanent repercussions as determined by other
+members of the project's leadership.
+
+## Attribution
+
+This Code of Conduct is adapted from the [Contributor Covenant][homepage], version 1.4,
+available at [http://contributor-covenant.org/version/1/4][version]
+
+[homepage]: http://contributor-covenant.org
+[version]: http://contributor-covenant.org/version/1/4/

.github/ISSUE_TEMPLATE.md

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+<!-- NOTE: If you're reporting a security issue, don't create a GitHub issue. Instead, email security@freecodecamp.org. We will look into it immediately. -->
+
+#### Describe your problem and - if possible - how to reproduce it
+
+
+#### Add a Link to the page with the problem
+
+
+#### Tell us about your browser and operating system
+
+* Browser Name: 
+* Browser Version: 
+* Operating System: 
+
+
+#### If possible, add a screenshot here
+
+

.github/PULL_REQUEST_TEMPLATE.md

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+<!-- freeCodeCamp Pull Request Template -->
+
+<!-- IMPORTANT Please review https://github.com/freeCodeCamp/freeCodeCamp/blob/staging/CONTRIBUTING.md for detailed contributing guidelines -->
+<!-- Help with PRs can be found at https://gitter.im/FreeCodeCamp/Contributors -->
+<!-- Make sure that your PR is not a duplicate -->
+
+#### Pre-Submission Checklist
+<!-- Go over all points below, and after creating the PR, tick all the checkboxes that apply. -->
+<!-- All points should be verified, otherwise, read the CONTRIBUTING guidelines from above-->
+<!-- If you're unsure about any of these, don't hesitate to ask. We're here to help! -->
+- [ ] Your pull request targets the `staging` branch of freeCodeCamp.
+- [ ] Branch starts with either `fix/`, `feature/`, or `translate/` (e.g. `fix/signin-issue`)
+- [ ] You have only one commit (if not, [squash](http://forum.freecodecamp.org/t/how-to-squash-multiple-commits-into-one-with-git/13231) them into one commit).
+- [ ] All new and existing tests pass the command `npm test`. Use `git commit --amend` to amend any fixes.
+
+#### Type of Change
+<!-- What type of change does your code introduce? After creating the PR, tick the checkboxes that apply. -->
+- [ ] Small bug fix (non-breaking change which fixes an issue)
+- [ ] New feature (non-breaking change which adds new functionality)
+- [ ] Breaking change (fix or feature that would change existing functionality)
+- [ ] Add new translation (feature adding new translations)
+
+#### Checklist:
+<!-- Go over all points below, and after creating the PR, tick the checkboxes that apply. -->
+<!-- If you're unsure about any of these, don't hesitate to ask in the Contributors room linked above. We're here to help! -->
+- [ ] Tested changes locally.
+- [ ] Addressed currently open issue (replace XXXXX with an issue no in next line)
+
+Closes #XXXXX
+
+#### Description
+<!-- Describe your changes in detail -->

.travis.yml

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+language: node_js
+
+node_js:
+  - 'lts/*'
+
+cache:
+  directories:
+    - node_modules
+
+sudo: false