Adding extra docs.

Signed-off-by: Cliff Hill <chill@contractor.usgs.gov>

CODE_OF_CONDUCT.md

+Code of Conduct
+===============
+
+All contributions to- and interactions surrounding- this project will abide by
+the [USGS Code of Scientific Conduct][1].
+
+
+
+[1]: https://www2.usgs.gov/fsp/fsp_code_of_scientific_conduct.asp

CONTRIBUTING.md

+Contributing
+============
+
+Contributions are welcome from the community. Questions can be asked on the
+[issues page][1]. Before creating a new issue, please take a moment to search
+and make sure a similar issue does not already exist. If one does exist, you
+can comment (most simply even with just a `:+1:`) to show your support for that
+issue.
+
+If you have direct contributions you would like considered for incorporation
+into the project you can [fork this repository][2] and
+[submit a merge request][3] for review.
+
+
+
+[1]: https://code.chs.usgs.gov/GROUP_NAME/REPOSITORY_NAME/issues
+[2]: https://docs.gitlab.com/ee/gitlab-basics/fork-project.html
+[3]: https://docs.gitlab.com/ee/gitlab-basics/add-merge-request.html