Update broken readme icon

Updating broken readme icon along with reposition of the hero image
<think>
PR Context:
- Title: docs(README): Updated the icon and repositioned the hero image
- Merged: 2024-11-03T14:12:33Z
- Files changed: 1 files
- Commits: 2 commits

Implementation approach:
TOC icon and reposition of the hero image in readme

## Type of Change
<!-- Put an `x` in the boxes that apply -->

- [ ] Bugfix
- [ ] New feature
- [ ] Enhancement
- [ ] Refactoring
- [ ] Dependency updates
- [x] Documentation
- [ ] CI/CD

## Description
<!-- Describe your changes in detail -->
Updated the icon of CI Push and repositioned the hero image
closes #6449 

### Additional Changes

- [ ] This PR modifies the API contract
- [ ] This PR modifies the database schema
</think>

To implement this, you'll need to modify:


(No detailed commit information available)
{"issue_number": 6449, "pr_number": 6445, "commits_count": 0, "files_changed": 1, "response_length": 792, "file_count": 0, "needs_breakdown": false}