Add OpenAPI description

src/main/java/be/seeseepuff/pcinv/controllers/ApiController.java

@@ -3,8 +3,10 @@ package be.seeseepuff.pcinv.controllers;
 import be.seeseepuff.pcinv.meta.AssetDescriptor;
 import be.seeseepuff.pcinv.models.Asset;
 import be.seeseepuff.pcinv.services.AssetService;
+import io.swagger.v3.oas.annotations.OpenAPIDefinition;
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.Parameter;
+import io.swagger.v3.oas.annotations.info.Info;
 import lombok.RequiredArgsConstructor;
 import org.springframework.web.bind.annotation.*;
 
@@ -13,6 +15,13 @@ import java.util.List;
 @RequiredArgsConstructor
 @RequestMapping("/api")
 @RestController
+@OpenAPIDefinition(
+        info = @Info(
+                title = "PC Inventory API",
+                version = "1.0",
+                description = "API for managing PC inventory assets. Assets are identified by QR or ID codes."
+        )
+)
 public class ApiController {
     private final AssetService assetService;