Merge pull request #531 from linkwarden/dev

added architecture.md file + renamed license file

ARCHITECTURE.md

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+# Architecture
+
+This is a summary of the architecture of Linkwarden. It's intended as a primer for collaborators to get a high-level understanding of the project.
+
+When you start Linkwarden, there are mainly two components that run:
+
+- The NextJS app, This is the main app and it's responsible for serving the frontend and handling the API routes.
+- [The Background Worker](https://github.com/linkwarden/linkwarden/blob/main/scripts/worker.ts), This is a separate `ts-node` process that runs in the background and is responsible for archiving links.
+
+## Main Tech Stack
+
+- [NextJS](https://github.com/vercel/next.js)
+- [TypeScript](https://github.com/microsoft/TypeScript)
+- [Tailwind](https://github.com/tailwindlabs/tailwindcss)
+- [DaisyUI](https://github.com/saadeghi/daisyui)
+- [Prisma](https://github.com/prisma/prisma)
+- [Playwright](https://github.com/microsoft/playwright)
+- [Zustand](https://github.com/pmndrs/zustand)
+
+## Folder Structure
+
+Here's a summary of the main files and folders in the project:
+
+```
+linkwarden
+├── components         # React components
+├── hooks              # React reusable hooks
+├── layouts            # Layouts for pages
+├── lib
+│   ├── api            # Server-side functions (controllers, etc.)
+│   ├── client         # Client-side functions
+│   └── shared         # Shared functions between client and server
+├── pages              # Pages and API routes
+├── prisma             # Prisma schema and migrations
+├── scripts
+│   ├── migration      # Scripts for breaking changes
+│   └── worker.ts      # Background worker for archiving links
+├── store              # Zustand stores
+├── styles             # Styles
+└── types              # TypeScript types
+```
+
+## Versioning
+
+We use semantic versioning for the project. You can track the changes from the [Releases](https://github.com/linkwarden/linkwarden/releases).