Fix db relations, add sample data, show categories in frontend menu

software/tsconfig.server.json

@@ -0,0 +1,17 @@
+{
+  "compilerOptions": {
+    "target": "esnext",
+    "module": "commonjs",
+    "moduleResolution": "node",
+    "isolatedModules": false,
+    "outDir": "build/dist",
+    "esModuleInterop": true,
+    "experimentalDecorators": true,
+    "emitDecoratorMetadata": true,
+    "baseUrl": "."
+  },
+  "exclude": ["node_modules", "dist"],
+  "include": [
+    "backend/**/*.ts"
+  ]
+}