Add README, License & Contributing Guide (#153)

* Initial commit, format

* Use codeblocks instead of inline code

* Add header

* Add badge, update placeholder for hero image

* Update badges and structure

* Add license

* Update badges

* Add contributing guide

* Add deployment guide

* Add license section

* Update header image

* Add image of deployed site

* Update readme

* remove deployment buttons

* formatting

* Add types of contributions

* format

* Add review suggestions

* Update badges

.github/CONTRIBUTING.md

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+# Welcome to GitBook's contributing guide!
+
+Thank you for investing your time in contributing to GitBook. Any contribution you make will be reviewed by our team.In this guide, you'll learn the different ways you can contribute.
+
+## Types of Contributions
+
+This repository contains code related to the rendering engine of GitBook's published content. Depending on what you'd like to contribute to, head to the section below to find the necessary steps.
+
+### Add a feature
+
+Because this portion of GitBook is open source and available for you to use - if you think you can provide extra value through a new feature - you're welcome to add it! If you plan to distribute the code, keep the source code public to comply with GNU GPLv3. To clone in a private repository, you must first acquire a [commercial license](https://www.gitbook.com/pricing).
+
+### Create a new issue
+
+If you spot a problem within a repository, [search if an issue already exists](https://docs.github.com/en/github/searching-for-information-on-github/searching-on-github/searching-issues-and-pull-requests#search-by-the-title-body-or-comments). If a related issue doesn't exist, you can open a new issue here!Please make sure any added issues are
+
+-   Descriptive
+-   Thoughtful
+-   Organized
+
+We recommend adding as many relevant links, minimal reproductions of the issue, and other materials that will help our team solve the issue fast.
+
+### Solve an issue
+
+If you're interested in solving an issue in our repository, start by scanning through it's exisiting issues to find one that you're interested in working on. If you find an issue to work on, you are welcome to open a PR with a fix. See the following sections below for more information on contributing for specific sections.
+
+### Documentation
+
+The official documentation on GitBook open can be found directly in this Readme. Any updates or changes you would like to make, you can make directly to the README of this repository.
+
+## Contributing
+
+### Make changes locally
+
+Any contribution you make can be made to the code located in this repository. In order to contribute, you'll need to start off of a local version of this repository.
+
+#### 1. Fork the repository
+
+##### Using GitHub Desktop:
+
+-   [Getting started with GitHub Desktop](https://docs.github.com/en/desktop/installing-and-configuring-github-desktop/getting-started-with-github-desktop) will guide you through setting up Desktop.
+-   Once Desktop is set up, you can use it to [fork the repo](https://docs.github.com/en/desktop/contributing-and-collaborating-using-github-desktop/cloning-and-forking-repositories-from-github-desktop)!
+
+##### Using the command line:
+
+-   [Fork the repo](https://docs.github.com/en/github/getting-started-with-github/fork-a-repo#fork-an-example-repository) so that you can make your changes without affecting the original project until you're ready to merge them.
+
+##### GitHub Codespaces:
+
+-   [Fork, edit, and preview](https://docs.github.com/en/free-pro-team@latest/github/developing-online-with-codespaces/creating-a-codespace) using [GitHub Codespaces](https://github.com/features/codespaces) without having to install and run the project locally.
+
+#### 2. Create a working branch and start with your changes
+
+After forking this repository, you'll want to [create a branch](https://docs.github.com/en/issues/tracking-your-work-with-issues/creating-a-branch-for-an-issue) to work off of. After creating the branch, you can start making changes!
+
+### Commit your update
+
+[Commit your changes](https://github.com/git-guides/git-commit) once you are happy with them. See [Atom's contributing guide](https://github.com/atom/atom/blob/master/CONTRIBUTING.md#git-commit-messages) to know how to use emoji for commit messages!
+
+Once your changes are ready, don't forget to self-review your code to double check that your chagnes are ready to be added.
+
+### Pull Request
+
+When you're finished with the changes, [create a pull request](https://docs.github.com/en/pull-requests/collaborating-with-pull-requests/proposing-changes-to-your-work-with-pull-requests/creating-a-pull-request), also known as a PR.
+
+-   Don't forget to [link PR to issue](https://docs.github.com/en/issues/tracking-your-work-with-issues/linking-a-pull-request-to-an-issue) if you are solving one.
+-   Enable the checkbox to [allow maintainer edits](https://docs.github.com/en/github/collaborating-with-issues-and-pull-requests/allowing-changes-to-a-pull-request-branch-created-from-a-fork) so the branch can be updated for a merge. Once you submit your PR, a GitBook team member will review your proposal. We may ask questions or request for additional information.
+-   We may ask for changes to be made before a PR can be merged, either using [suggested changes](https://docs.github.com/en/github/collaborating-with-issues-and-pull-requests/incorporating-feedback-in-your-pull-request) or pull request comments. You can apply suggested changes directly through the UI. You can make any other changes in your fork, then commit them to your branch.
+-   As you update your PR and apply changes, mark each conversation as [resolved](https://docs.github.com/en/github/collaborating-with-issues-and-pull-requests/commenting-on-a-pull-request#resolving-conversations).
+-   If you run into any merge issues, checkout this [git tutorial](https://lab.github.com/githubtraining/managing-merge-conflicts) to help you resolve merge conflicts and other issues.
+
+### Your PR is merged
+
+Congratulations 🎉Thank you for your contribution! Once your PR is merged, your contributions will be publicly visible on the relevant repository.

.github/ISSUE_TEMPLATE/bug_report.md

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+---
+name: Bug report
+about: Something not working as expected? Let us look into it
+labels: bug
+---
+
+## Bug description
+
+_Please describe._  
+_If this affects the front-end, screenshots would be of great help._
+
+## How to reproduce
+
+1.
+2.
+3.
+
+## Additional context