Add documentation for where the docs live and how to update them

.template-helpers/user-feedback.md

@@ -1,3 +1,7 @@
+## Documentation
+
+Documentation for this image is stored in the [`%%REPO%%` directory](https://github.com/docker-library/docs/tree/master/%%REPO%%) of the [`docker-library/docs` GitHub repo](https://github.com/docker-library/docs). Be sure to familiarize yourself with the [repository's `REAMDE.md` file](https://github.com/docker-library/docs/blob/master/README.md) before attempting a pull request.
+
 ## Issues
 
 If you have any problems with or questions about this image, please contact us %%MAILING-LIST%% through a [GitHub issue](%%GITHUB-REPO%%/issues).

crate/user-feedback.md

@@ -1,6 +1,10 @@
+## Documentation
+
+Documentation for this image is stored in the [`%%REPO%%` directory](https://github.com/docker-library/docs/tree/master/%%REPO%%) of the [`docker-library/docs` GitHub repo](https://github.com/docker-library/docs). Be sure to familiarize yourself with the [repository's `REAMDE.md` file](https://github.com/docker-library/docs/blob/master/README.md) before attempting a pull request.
+
 ## Issues
 
-If you have any problems with, or questions about this image, please contact us through a [GitHub issue](https://github.com/crate/docker-crate/issues).
+If you have any problems with or questions about this image, please contact us %%MAILING-LIST%% through a [GitHub issue](%%GITHUB-REPO%%/issues).
 
 If you have any questions or suggestions we would be very happy to help you. So, feel free to swing by our IRC channel `#crate` on [Freenode](http://freenode.net).
 

r-base/user-feedback.md

@@ -1,3 +1,7 @@
+## Documentation
+
+Documentation for this image is stored in the [`%%REPO%%` directory](https://github.com/docker-library/docs/tree/master/%%REPO%%) of the [`docker-library/docs` GitHub repo](https://github.com/docker-library/docs). Be sure to familiarize yourself with the [repository's `REAMDE.md` file](https://github.com/docker-library/docs/blob/master/README.md) before attempting a pull request.
+
 ## Issues
 
 If you have any problems with or questions about this image, please contact us %%MAILING-LIST%% through a [GitHub issue](%%GITHUB-REPO%%/issues).

ubuntu-upstart/user-feedback.md

@@ -1,3 +1,7 @@
+## Documentation
+
+Documentation for this image is stored in the [`%%REPO%%` directory](https://github.com/docker-library/docs/tree/master/%%REPO%%) of the [`docker-library/docs` GitHub repo](https://github.com/docker-library/docs). Be sure to familiarize yourself with the [repository's `REAMDE.md` file](https://github.com/docker-library/docs/blob/master/README.md) before attempting a pull request.
+
 ## Issues
 
 This image is provided on an as-is basis. If problems with it are discovered, they can be discussed in the `#docker-library` IRC channel on [Freenode](https://freenode.net), but any support will be best-effort.