Update development section in ruby readme (#720)

## Type of change

<!-- (mark with an `X`) -->

```
- [ ] Bug fix
- [ ] New feature development
- [ ] Tech debt (refactoring, code cleanup, dependency upgrades, etc)
- [ ] Build/deploy pipeline (DevOps)
- [X] Other
```

## Objective

<!--Describe what the purpose of this PR is. For example: what bug
you're fixing or what new feature you're adding-->
Update README for Ruby language local development. 

## Code changes

<!--Explain the changes you've made to each file or major component.
This should help the reviewer understand your changes-->
<!--Also refer to any related changes or PRs in other repositories-->

- **file.ext:** Description of what was changed and why

## Before you submit

- Please add **unit tests** where it makes sense to do so

languages/ruby/README.md

@@ -96,7 +96,18 @@ puts response
 
 ## Development
 
+Prerequisites:
+
+- Ruby >= 3.0 installed
+- Generate schemas `npm run schemas`
+
 ```bash
+# Navigate to the ruby language folder
+cd languages/ruby
+
+# Make the binary folder if it doesn't exist already
+mkdir -p ./bitwarden_sdk_secrets/lib/macos-arm64
+
 # Build and copy the bitwarden-c library
 cargo build --package bitwarden-c
 cp ../../target/debug/libbitwarden_c.dylib ./bitwarden_sdk_secrets/lib/macos-arm64/libbitwarden_c.dylib
@@ -113,8 +124,8 @@ cd ..
 export ACCESS_TOKEN=""
 export ORGANIZATION_ID=""
 
-export API_URL=https://localhost:8080/api
-export IDENTITY_URL=https://localhost:8080/identity
+export API_URL=http://localhost:4000
+export IDENTITY_URL=http://localhost:33656
 ruby examples/example.rb
 ```