[Developer] #424 add VPD policy settings view

src/main/java/com/cloudhandson/vpdbackoffice/web/VpdPolicyController.java

@@ -0,0 +1,30 @@
+package com.cloudhandson.vpdbackoffice.web;
+
+import com.cloudhandson.vpdbackoffice.service.VpdPolicyService;
+import java.util.List;
+import org.springframework.dao.DataAccessException;
+import org.springframework.stereotype.Controller;
+import org.springframework.ui.Model;
+import org.springframework.web.bind.annotation.GetMapping;
+
+@Controller
+public class VpdPolicyController {
+
+  private final VpdPolicyService vpdPolicyService;
+
+  public VpdPolicyController(VpdPolicyService vpdPolicyService) {
+    this.vpdPolicyService = vpdPolicyService;
+  }
+
+  @GetMapping("/vpd-policies")
+  public String policies(Model model) {
+    try {
+      model.addAttribute("policies", vpdPolicyService.findPolicies());
+    } catch (DataAccessException exception) {
+      RuntimeErrorMessage message = RuntimeErrorMessages.dataAccess(exception);
+      model.addAttribute("runtimeError", message);
+      model.addAttribute("policies", List.of());
+    }
+    return "vpd-policies";
+  }
+}