task: Write & publish blog post

[lornakelly]

Description

Write a blog post announcing the editor package's first release. Submit as a PR to serverlessworkflow.github.io under src/content/blog

Motivation

The blog post is how we promote the editor to the Serverless Workflow community and wider audience, driving awareness, adoption, and contributor interest at the moment the package is actually available to use

Proposed Implementation

No response

Definition of Done

• Implementation: Fully implemented according to the Serverless Workflow spec.
• Unit Tests: Comprehensive unit tests are included and passing.
• Integration Tests: Verified within the monorepo and target environments (Web/VS Code).
• Documentation: Updated README.md, ADRs, or official docs.
• Performance: No significant regression in editor responsiveness.
• Accessibility: UI changes comply with accessibility standards.