Introduces a new Roadmap component and related operations to the landing page, adds a getGithubRoadmap query, and updates navigation constants. Also updates several dependencies and lockfile entries, including TailwindCSS and React-related packages.

Added new roadmap-related images to the assets and banner directories. Updated the 2025-11-21 blog post to include these images, improve structure, and provide more details about the public roadmap, guiding themes, upcoming features, and ways to participate in the Open SaaS project.

Revised the 2025-11-21 roadmap blog post for clarity and improved messaging, added a tip section about subscribing to GitHub epics, and included a new 'subscribe-github.webp' image asset.

Reworked roadmap UI by splitting logic into RoadmapEpicCard and RoadmapStatusColumn components. Updated roadmap data model and operations to use GithubEpic and GithubEpicStatus, improving type safety and maintainability. Enhanced roadmap fetching and caching logic, and simplified App.tsx scroll behavior.

Refactored HighlightedFeature and Roadmap components for improved clarity and maintainability. Minor updates to App.tsx to support these changes.