[feature]: Adding Eraser.io in Integrations

Is there an existing issue for this? • I have searched the existing issues Summary 📌 Overview Integrate [Eraser.io]( into Plane to enable engineering teams to seamlessly embed, view, and link technical architecture diagrams, flowcharts, and technical specs directly within Plane Issues, Pages, Modules, and Project Settings. --- 💡 Why this Feature? (Problem & Value Proposition) • Problem: Developers and architects design software architecture, sequence diagrams, and flowcharts in Eraser.io, but have to copy-paste static screenshots into Plane issues, which quickly become outdated. • Value: 1. Live Diagrams in Plane: Keeps architecture docs and technical specs dynamic and up-to-date inside Plane. 2. Faster Context Switching: Developers can view architecture models directly in issue descriptions without navigating away. 3. Visual Task Breakdown: Architecture diagram nodes or flows can be linked to corresponding Plane issues/modules. --- 📅 Phased Milesto…