Add Waitfor For Meilisearch

[Alirexaa]

Closes #73

This pull request introduces several enhancements and bug fixes to the CommunityToolkit.Aspire.Hosting.Meilisearch project, including the addition of health checks and the reactivation of previously commented-out code. The most important changes are summarized below:

Enhancements:

• Health Check Integration:
  • src/CommunityToolkit.Aspire.Hosting.Meilisearch/CommunityToolkit.Aspire.Hosting.Meilisearch.csproj: Added MeilisearchHealthCheck.cs to the project.
  • src/CommunityToolkit.Aspire.Hosting.Meilisearch/MeilisearchBuilderExtensions.cs: Integrated health checks for Meilisearch resources and ensured the health check key is added to the builder. [1] [2]

Bug Fixes:

• Reactivation of Previously Commented Code:
  • src/CommunityToolkit.Aspire.Hosting.Meilisearch/MeilisearchBuilderExtensions.cs: Reactivated the subscription to ConnectionStringAvailableEvent and health check registration code.
  • tests/CommunityToolkit.Aspire.Hosting.Meilisearch/MeilisearchFunctionalTests.cs: Reactivated the VerifyWaitForOnMeilisearchBlocksDependentResources test to ensure dependent resources wait for Meilisearch health checks.

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
• 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%	6	✔
CommunityToolkit.Aspire.Hosting.Azure.DataApiBuilder.AppHost	50%	100%	2	❌
CommunityToolkit.Aspire.Hosting.Azure.DataApiBuilder.BlazorApp	4%	0%	52	❌
CommunityToolkit.Aspire.Hosting.Azure.DataApiBuilder.ServiceDefaults	0%	0%	14	❌
CommunityToolkit.Aspire.Hosting.Azure.StaticWebApps	100%	100%	28	✔
CommunityToolkit.Aspire.Hosting.Deno	84%	75%	72	✔
CommunityToolkit.Aspire.Hosting.Deno.AppHost	100%	100%	2	✔
CommunityToolkit.Aspire.Hosting.Golang	94%	50%	16	✔
CommunityToolkit.Aspire.Hosting.Golang.AppHost	100%	100%	2	✔
CommunityToolkit.Aspire.Hosting.Java	98%	71%	58	✔
CommunityToolkit.Aspire.Hosting.Java.AppHost	50%	100%	2	❌
CommunityToolkit.Aspire.Hosting.Meilisearch	61%	27%	94	➖
CommunityToolkit.Aspire.Hosting.Meilisearch.AppHost	50%	100%	2	❌
CommunityToolkit.Aspire.Hosting.NodeJS.Extensions	90%	68%	92	✔
CommunityToolkit.Aspire.Hosting.NodeJS.Extensions.AppHost	100%	100%	2	✔
CommunityToolkit.Aspire.Hosting.Ollama	52%	32%	154	❌
CommunityToolkit.Aspire.Hosting.Ollama.AppHost	50%	100%	2	❌
CommunityToolkit.Aspire.Meilisearch	97%	92%	68	✔
CommunityToolkit.Aspire.OllamaSharp	92%	80%	30	✔
CommunityToolkit.Aspire.StaticWebApps.AppHost	100%	100%	2	✔
CommunityToolkit.Aspire.Testing	54%	50%	446	❌
Summary	64% (1759 / 2744)	50% (416 / 824)	1146	➖

Minimum allowed line rate is 60%