Add dependency review workflow and clean up README

[Copilot]

Description

Adds automated dependency vulnerability scanning and removes outdated documentation assets.

Dependency Review Workflow

• New .github/workflows/dependency-review.yml runs on all PRs
• Blocks merges with vulnerabilities at low severity or higher
• Posts failure summaries directly in PR comments

Documentation Cleanup

• Removed outdated 84MB GIF demo and its README reference
• Streamlined documentation structure

Release Type

• Major - Breaking changes
• Minor - New features, backwards compatible
• Patch - Bug fixes, backwards compatible

Original prompt

---

This section details on the original issue you should resolve

<issue_title>Add Dependency Review + Clean Up README</issue_title>
<issue_description>Create a patch release that incorporates both of these updates:

Add Dependency Review

Add the following workflow file:

name: Dependency Review

on: [pull_request]

permissions:
  contents: read
  pull-requests: write

jobs:
  dependency-review:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout code
        uses: actions/checkout@v6.0.1

      - name: Dependency Review
        uses: actions/dependency-review-action@v4.8.2
        with:
          # Block pull requests with vulnerabilities at moderate severity or higher
          fail-on-severity: low
          # Post detailed summary in PR comments
          comment-summary-in-pr: on-failure

README Clean Up

Update the README throughout to reflect the latest functionality. Keep the usage documentation minimalistic - do not repeat the same information twice. Remove the GIF example, as it's now outdated.</issue_description>

Comments on the Issue (you are @copilot in this section)

• Fixes Add Dependency Review + Clean Up README #36

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