added dependency instructions

CONTRIBUTING.md

@@ -18,6 +18,9 @@ To use the container with VSCode, you'll need to install the [Remote - Container
 
 * [rust](https://www.rust-lang.org/) stable 1.66.1+ (it might be compatible with earlier, but I haven't tested that). As of this writing: 1.67.0 but GH actions will use the latest stable whenever it runs.
 * [just](https://github.com/casey/just) any version should do, but as of this writing I'm on 1.13.0
+* [md-magic](https://github.com/DavidWells/markdown-magic)
+* [shfmt](https://github.com/mvdan/sh)
+* [shellcheck](https://www.shellcheck.net/)
 
 (you'd think we'd use rtx to fetch these but frankly it's kind of a pain to dogfood rtx while testing it)
 
@@ -73,6 +76,10 @@ You don't have to do this, but it makes things like `rtx activate` a lot easier
 * Run only E2E tests: `just test-e2e`
 * Run all tests: `just test`
 
+## Releasing
+
+Run `just release -x [minor|patch]`. (minor if it is the first release in a month)
+
 ## Linting
 
 * Lint codebase: `just lint`