docs(blog): add detailed post about fullstack dashboard project

- Describe the project idea of repurposing old Android devices as dashboards
- Explain technology stack selection and reasons for changes during development
- Detail database schema using Prisma with examples of Dashboard and Widget models
- Showcase backend implementation utilizing Analog framework with tRPC routers
- Present frontend development approach with Analog components and services
- Illustrate mobile app features on Ionic Framework and Capacitor targeting Android
- Outline CI/CD pipeline and deployment using Vercel and Docker for mobile app builds
- Explain user authorization methods including anonymous, Telegram, Google, and GitHub
- Provide user guide for website registration, dashboard and widget management
- Include instructions for downloading and using mobile app with QR code linking
- Describe UI features including dark theme support, widget interaction, and landscape mode
- List automation used for releases, TODO tracking, and Telegram notifications
- Mention roadmap goals and links to live site, repository, and Telegram chat
- Add numerous illustrative images for each step of usage and setup processes

Author: EndyKaufman