[Docs]: Minor typo in the Technical Objectives section

### Issue Description

3. Scalability :  Optiomally should be changed to Optimally

### Prposed Solution

Should be changed in : /docs/docs/index.md 

### Affected Component

Other

### Checklist

- [x] I have read the [contributing guidelines](/agntcy/repo-template/blob/main/CONTRIBUTING.md).
- [x] I have verified this does not duplicate an existing issue.