Initial commit

Signed-off-by: Sergio Castaño Arteaga <[email protected]>

.gitignore

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+.DS_Store
+.vscode
+/target

.rustfmt.toml

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+max_width = 110
+chain_width = 90

CONTRIBUTING.md

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+# Contributing Guide
+
+The DCO2 project accepts contributions via [GitHub pull requests](https://help.github.com/en/github/collaborating-with-issues-and-pull-requests/about-pull-requests). This document outlines the process to help get your contribution accepted.
+
+## Issues and discussions
+
+Feature requests, bug reports, and support requests all occur through GitHub issues and discussions. If you would like to file an issue, view existing issues, or comment on an issue please engage with issues at <https://github.com/cncf/dco2/issues>. You can create new discussions, view existing ones and comment on them at <https://github.com/cncf/dco2/discussions>.
+
+## Pull Requests
+
+All changes to the source code and documentation are made through [GitHub pull requests](https://help.github.com/en/github/collaborating-with-issues-and-pull-requests/about-pull-requests). If you would like to make a change to the source, documentation, or other component in the repository please open a pull request with the change.
+
+If you are unsure if the change will be welcome you may want to file an issue first. The issue can detail the change and you can get feedback from the maintainers prior to starting to make the change.
+
+You can find the existing pull requests at <https://github.com/cncf/dco2/pulls>.
+
+## Developer Certificate of Origin
+
+The DCO2 project uses a [Developers Certificate of Origin (DCO)](https://developercertificate.org/) to sign-off that you have the right to contribute the code being contributed. The full text of the DCO reads:
+
+```text
+Developer Certificate of Origin
+Version 1.1
+
+Copyright (C) 2004, 2006 The Linux Foundation and its contributors.
+1 Letterman Drive
+Suite D4700
+San Francisco, CA, 94129
+
+Everyone is permitted to copy and distribute verbatim copies of this
+license document, but changing it is not allowed.
+
+
+Developer's Certificate of Origin 1.1
+
+By making a contribution to this project, I certify that:
+
+(a) The contribution was created in whole or in part by me and I
+    have the right to submit it under the open source license
+    indicated in the file; or
+
+(b) The contribution is based upon previous work that, to the best
+    of my knowledge, is covered under an appropriate open source
+    license and I have the right under that license to submit that
+    work with modifications, whether created in whole or in part
+    by me, under the same open source license (unless I am
+    permitted to submit under a different license), as indicated
+    in the file; or
+
+(c) The contribution was provided directly to me by some other
+    person who certified (a), (b) or (c) and I have not modified
+    it.
+
+(d) I understand and agree that this project and the contribution
+    are public and that a record of the contribution (including all
+    personal information I submit with it, including my sign-off) is
+    maintained indefinitely and may be redistributed consistent with
+    this project or the open source license(s) involved.
+```
+
+Every commit needs to have signoff added to it with a message like:
+
+```text
+Signed-off-by: Joe Smith <[email protected]>
+```
+
+Git makes doing this fairly straight forward. First, please use your real name (sorry, no pseudonyms or anonymous contributions).
+
+If you set your `user.name` and `user.email` in your git configuration, you can sign your commit automatically with `git commit -s` or `git commit --signoff`.
+
+Signed commits in the git log will look something like:
+
+```text
+Author: Joe Smith <[email protected]>
+Date:   Thu Feb 2 11:41:15 2018 -0800
+
+    Update README
+
+    Signed-off-by: Joe Smith <[email protected]>
+```
+
+Notice how the `Author` and `Signed-off-by` lines match. If they do not match the PR will be rejected by the automated DCO check.
+
+If more than one person contributed to a commit than there can be more than one `Signed-off-by` line where each line is a signoff from a different person who contributed to the commit.