feat: introduce basic erd

.changeset/sweet-bugs-explode.md

@@ -0,0 +1,5 @@
+---
+"@quassel/backend": patch
+---
+
+Initialize model

.devcontainer/Dockerfile

@@ -1,3 +1,3 @@
 FROM mcr.microsoft.com/devcontainers/typescript-node:1-20-bookworm
 
-RUN su node -c "npm install -g pnpm@9.10.0"
+RUN su node -c "npm install -g pnpm@9.12.1"

.devcontainer/devcontainer.json

@@ -7,7 +7,8 @@
     "vscode": {
       "extensions": [
         "dbaeumer.vscode-eslint",
-        "mk12.better-git-line-blame"
+        "mk12.better-git-line-blame",
+        "bierner.markdown-mermaid"
       ]
     }
   }

.devcontainer/docker-compose.yaml

@@ -1,23 +1,12 @@
-version: '3.8'
-
 services:
   app:
     build:
       context: .
       dockerfile: Dockerfile
-
     volumes:
       - ../..:/workspaces:cached
-
-    # Overrides default command so things don't shut down after the process ends.
     command: sleep infinity
 
-    # Runs app on the same network as the database container, allows "forwardPorts" in devcontainer.json function.
-    network_mode: service:db
-
-    # Use "forwardPorts" in **devcontainer.json** to forward an app port locally.
-    # (Adding the "ports" property to this file will not forward from a Codespace.)
-
   db:
     image: postgres:17.0-alpine
     volumes:
@@ -27,8 +16,5 @@ services:
       POSTGRES_USER: postgres
       POSTGRES_DB: postgres
 
-    # Add "forwardPorts": ["5432"] to **devcontainer.json** to forward PostgreSQL locally.
-    # (Adding the "ports" property to this file will not forward from a Codespace.)
-
 volumes:
   db-data: