devguide: make 'contributing' a chapter

This could be justified from a semantic point of view, and also can help
in bringing more attention to where this information is, as it is less
hidden, now.

Also add Dev Guide as one of our resources in our Readme.

.github/CONTRIBUTING.md

@@ -2,7 +2,7 @@ Contributing to Suricata
 ========================
 
 We're happily taking patches and other contributions. The process is documented at
-[Contribution Process](https://docs.suricata.io/en/latest/devguide/codebase/contributing/contribution-process.html). Please have a look at this document before submitting.
+[Contribution Process](https://docs.suricata.io/en/latest/devguide/contributing/contribution-process.html). Please have a look at this document before submitting.
 
 Contribution Agreement
 ----------------------

.github/PULL_REQUEST_TEMPLATE.md

@@ -1,7 +1,7 @@
 Make sure these boxes are signed before submitting your Pull Request -- thank you.
 
 - [ ] I have read the contributing guide lines at
-   https://docs.suricata.io/en/latest/devguide/codebase/contributing/contribution-process.html
+   https://docs.suricata.io/en/latest/devguide/contributing/contribution-process.html
 - [ ] I have signed the Open Information Security Foundation contribution agreement at
    https://suricata.io/about/contribution-agreement/ (note: this is only required once)
 - [ ] I have updated the user guide (in doc/userguide/) to reflect the changes made (if applicable)

README.md

@@ -13,14 +13,15 @@ developed by the [OISF](https://oisf.net) and the Suricata community.
 - [Home Page](https://suricata.io)
 - [Bug Tracker](https://redmine.openinfosecfoundation.org/projects/suricata)
 - [User Guide](https://docs.suricata.io)
+- [Dev Guide](https://docs.suricata.io/en/latest/devguide/index.html)
 - [Installation Guide](https://docs.suricata.io/en/latest/install.html)
 - [User Support Forum](https://forum.suricata.io)
 
 ## Contributing
 
 We're happily taking patches and other contributions. Please see our
 [Contribution
-Process](https://docs.suricata.io/en/latest/devguide/codebase/contributing/contribution-process.html)
+Process](https://docs.suricata.io/en/latest/devguide/contributing/contribution-process.html)
 for how to get started.
 
 Suricata is a complex piece of software dealing with mostly untrusted
@@ -105,7 +106,7 @@ change, it will probably go into the next major version.
 __Q: Why was my PR closed?__
 
 A: As documented in the [Suricata GitHub
-workflow](https://docs.suricata.io/en/latest/devguide/codebase/contributing/github-pr-workflow.html),
+workflow](https://docs.suricata.io/en/latest/devguide/contributing/github-pr-workflow.html),
 we expect a new pull request for every change.
 
 Normally, the team (or community) will give feedback on a pull request

doc/userguide/devguide/codebase/index.rst

@@ -4,7 +4,6 @@ Working with the Codebase
 .. toctree::
    :maxdepth: 2
 
-   contributing/index.rst
    installation-from-git
    code-style
    fuzz-testing

doc/userguide/devguide/index.rst

@@ -5,5 +5,6 @@ Suricata Developer Guide
    :maxdepth: 2
 
    codebase/index.rst
+   contributing/index.rst
    internals/index.rst
    extending/index.rst

doc/userguide/support-status.rst

@@ -77,7 +77,7 @@ support is done by the core team. If someone wants to help maintain
 and support such a feature, we recommend talking to the core team
 before spending a lot of time on it.
 
-Please see :doc:`devguide/codebase/contributing/contribution-process`
+Please see :doc:`devguide/contributing/contribution-process`
 for more information if you wish to contribute.
 
 Distributions