Update contribution and local development guides

README.md

@@ -82,6 +82,7 @@ Here's a quick example, combining `step oauth` and `step crypto` to get and veri
 
 * Connect with `step` users on [GitHub Discussions](https://github.com/smallstep/certificates/discussions) or [Discord](https://bit.ly/step-discord)
 * [Open an issue](https://github.com/smallstep/cli/issues/new/choose) and tell us what features you'd like to see
+* [Contribute](./docs/CONTRIBUTING.md) to the `step` codebase
 * [Follow Smallstep on Twitter](https://twitter.com/smallsteplabs)
 
 ## Further Reading

docs/CONTRIBUTING.md

@@ -7,9 +7,11 @@ to manage issues, etc.
 
 ## Table of Contents
 
-* [Asking Support Questions](#asking-support-questions)
 * [Reporting Issues](#reporting-issues)
-* [Submitting Patches](#submitting-patches)
+* [Asking Support Questions](#asking-support-questions)
+* [Code Contribution](#code-contribution)
+  * [Local Development](#local-development)
+  * [Submitting Patches](#submitting-patches)
   * [Code Contribution Guidelines](#code-contribution-guidelines)
   * [Git Commit Message Guidelines](#git-commit-message-guidelines)
 
@@ -18,8 +20,7 @@ to manage issues, etc.
 If you believe you have found a defect in `step cli` or its
 documentation, use the GitHub [issue
 tracker](https://github.com/smallstep/cli/issues) to report the
-problem. When reporting the issue, please provide the version of `step
-cli` in use (`step version`) and your operating system.
+problem. When reporting the issue, please provide the version of `step` CLI in use (`step version`) and your operating system.
 
 ## Asking Support Questions
 
@@ -37,7 +38,11 @@ primitives and higher order resources.
 
 **Bug fixes are, of course, always welcome.**
 
-## Submitting Patches
+### Local Development
+
+Check out the [local development](./local-development.md) guide for instructions for working on the `step` CLI code.
+
+### Submitting Patches
 
 `step cli` welcomes all contributors and contributions. If you are
 interested in helping with the project, please reach out to us or, better yet,

docs/local-development.md

@@ -15,6 +15,8 @@ To get started with local development, you will need three things:
 
 - Golang installed locally (instructions available
 [here](https://golang.org/doc/install)).
+  - We follow the general Go support timeline, meaning the latest two versions 
+  of Go are supported. See `go.mod` for the current minimum version.
 - A version of `make` available for usage of the `Makefile`.
 - The repository checked out in the appropriate location of your `$GOPATH`.
 
@@ -40,7 +42,7 @@ binary in the `bin` folder.
 ### Running Tests and Linting
 
 Now that you've installed any dependencies, you can run the tests and lint the
-code base simply by running `make`.
+codebase simply by running `make`.
 
 #### Unit Tests