Update Rust README.md

[Alirexaa]

Closes #<ISSUE_NUMBER>

PR Checklist

• Created a feature/dev branch in your fork (vs. submitting directly from a commit on main)
• Based off latest main branch of toolkit
• PR doesn't include merge commits (always rebase on top of our main, if needed)
• New integration
  • Docs are written
  • Added description of major feature to project description for NuGet package (4000 total character limit, so don't push entire description over that)
• Tests for the changes have been added (for bug fixes / features) (if applicable)
• Contains NO breaking changes
• Every new API (including internal ones) has full XML docs
• Code follows all style conventions

Other information

[github-actions]

Package	Line Rate	Branch Rate	Complexity	Health
CommunityToolkit.Aspire.Hosting.Azure.DataApiBuilder	100%	100%	22	✔
CommunityToolkit.Aspire.Hosting.Azure.StaticWebApps	100%	100%	28	✔
CommunityToolkit.Aspire.Hosting.Bun	81%	71%	54	✔
CommunityToolkit.Aspire.Hosting.Deno	84%	75%	72	✔
CommunityToolkit.Aspire.Hosting.Golang	94%	50%	16	✔
CommunityToolkit.Aspire.Hosting.Java	98%	71%	58	✔
CommunityToolkit.Aspire.Hosting.Meilisearch	61%	27%	94	➖
CommunityToolkit.Aspire.Hosting.NodeJS.Extensions	90%	68%	92	✔
CommunityToolkit.Aspire.Hosting.Ollama	64%	60%	222	➖
CommunityToolkit.Aspire.Hosting.Python.Extensions	67%	46%	56	➖
CommunityToolkit.Aspire.Hosting.Rust	94%	83%	16	✔
CommunityToolkit.Aspire.Hosting.SqlDatabaseProjects	69%	60%	50	➖
CommunityToolkit.Aspire.Meilisearch	97%	92%	68	✔
CommunityToolkit.Aspire.OllamaSharp	84%	77%	76	✔
Summary	77% (1834 / 2368)	64% (461 / 724)	924	➖

Minimum allowed line rate is 60%