Update index.md (#888)

Fixing the bullets

# What does this PR do?

The bullets were not there as intended so I helped fix them. 

- [x] Addresses issue (#issue)

## Test Plan

Please describe:

Ran the test, and the bullets are there now to be consistent with the
page.

## Sources

N/A

## Before submitting

- [x] This PR fixes a typo or improves the docs (you can dismiss the
other checks if that's the case).
- [ ] Ran pre-commit to handle lint / formatting issues.
- [ ] Read the [contributor
guideline](https://github.com/meta-llama/llama-stack/blob/main/CONTRIBUTING.md),
      Pull Request section?
- [ ] Updated relevant documentation.
- [ ] Wrote necessary unit or integration tests.

docs/source/introduction/index.md

@@ -47,8 +47,8 @@ Llama Stack addresses these challenges through a service-oriented, API-first app
 - No vendor lock-in
 
 **Robust Ecosystem**
--Llama Stack is already integrated with distribution partners (cloud providers, hardware vendors, and AI-focused companies).
--Ecosystem offers tailored infrastructure, software, and services for deploying Llama models.
+- Llama Stack is already integrated with distribution partners (cloud providers, hardware vendors, and AI-focused companies).
+- Ecosystem offers tailored infrastructure, software, and services for deploying Llama models.
 
 
 ### Our Philosophy