docs: Add contributing sections to homepage

packages/docs/pages/contributing/repository-structure.md

@@ -0,0 +1,21 @@
+# Repository Structure
+
+We use `lerna` with `yarn workspaces` to manage the mono repository. We have the following packages:
+
+```
+.
+├── packages
+│   ├── backend
+│   ├── cli
+│   ├── docs
+│   ├── e2e-tests
+│   ├── types
+│   └── web
+```
+
+- `backend` - The backend package contains the backend application and all integrations.
+- `cli` - The cli package contains the CLI application of Automatisch.
+- `docs` - The docs package contains the documentation website.
+- `e2e-tests` - The e2e-tests package contains the end-to-end tests for the internal usage.
+- `types` - The types package contains the shared types for both the backend and web packages.
+- `web` - The web package contains the frontend application of Automatisch.