add 'test' status badge

[GrantBirki]

This pull request adds the test CI status badge to our readme

[github-actions]

👋 Thanks for opening a pull request!

If you are new, please check out the trimmed down summary of our deployment process below:

1. 👀 Observe the CI jobs and tests to ensure they are passing

2. ✔️ Obtain an approval/review on this pull request

3. 🚀 Deploy your pull request to the development environment with .deploy dev

4. 🚀 Deploy your pull request to the production environment with .deploy

   If anything goes wrong, rollback with .deploy main

5. 🎉 Merge!

[GrantBirki]

.deploy

[github-actions]

Deployment Triggered 🚀

GrantBirki, started a branch deployment to production

You can watch the progress here 🔗

Branch: test-status-badge

[github-actions]

API Deployment - Production 🌔

The API has been deployed to the production environment 🚀

• Endpoint: `api.tarkov.dev`
• Playground: api.tarkov.dev/___graphql

Pusher: @GrantBirki, Action: `issue_comment`, Workflow: `branch-deploy`;

[github-actions]

Deployment Results ✅

GrantBirki successfully deployed branch test-status-badge to production