Update design overview with tech used

Home.md

@@ -1,17 +1,25 @@
 # Welcome to the Generational Heritage wiki!
 
-## Scratch design / Dizájn vázlat:
+## Use case diagram
+![Use case diagram of user flows](assets/design-overview.drawio.png)
+
+
+## Dizájn:
 
 ### Tech overview / Technológiai körkép:
-![Scratch overview of the used tech.](assets/scratch_design.drawio.png)
+![Design overview of the used tech.](assets/design-overview.drawio.png)
 
 - Platform: *OCI* ([freetier 6ocpu and 26gb ram](https://www.oracle.com/cloud/free/?intcmp=ohp052322ocift#free-cloud-trial))
 - Container orchestration: *[K3S](https://k3s.io/)*
 - Ingress/LoadBalancer: *[Traefik](https://traefik.io/)*
 - Authentication and user management: *[Zitadel](https://zitadel.com/)*
 - Authorization: *A [Go](https://go.dev/) microservice that checks user relationship with other data*
+- Static Hosting: *[Cloudflare](https://www.cloudflare.com/) pages*
 - Frontend: *[Svelte-kit](https://kit.svelte.dev/)*
 - Backend: *[Go](https://go.dev/) microservice that does the business logic*
 - DNS and proxy provider: *[Cloudflare](https://www.cloudflare.com/)*
 
-## Backend Service Scratch
+## Backend Service
+
+### List of Endpoints
+