adding some readme steps for setup

README.md

@@ -25,7 +25,38 @@
 </p>
 <br/>
 
-### Publishing
+
+## Set up the codebase
+
+### Set up pnpm
+
+Install `pnpm` globally:
+
+```bash
+npm install -g pnpm
+```
+
+### Install dependencies
+
+```bash
+pnpm install
+```
+
+## Developing
+
+### Build the codebase
+
+```bash
+pnpm build
+```
+
+### Run the tests
+
+```bash
+pnpm test
+```
+
+## Publishing
 In order to publish you need to make sure that the pull request you're submitting has a changeset. If you don't want to publish this isn't needed.
 In order to generate a changeset run `pnpm changeset`, select a change type [major,minor,patch], and draft a small summary of the changeset.