Add NGINX Gateway Fabric v2.1.0 conformance report (#4005)

* Add NGINX v2.1.0 conformance report

* Remove backtick

* Add end of file new line

Author: bjee19

conformance/reports/v1.3.0/nginx-nginx-gateway-fabric/README.md

@@ -5,6 +5,7 @@
 | API channel  | Implementation version                                                      | Mode    | Report                                           |
 |--------------|-----------------------------------------------------------------------------|---------|--------------------------------------------------|
 | experimental | [v2.0.0](https://github.com/nginx/nginx-gateway-fabric/releases/tag/v2.0.0) | default | [v2.0.0 report](./experimental-2.0.0-default-report.yaml) |
+| experimental | [v2.1.0](https://github.com/nginx/nginx-gateway-fabric/releases/tag/v2.1.0) | default | [v2.1.0 report](./experimental-2.1.0-default-report.yaml) |
 
 ## Reproduce
 

conformance/reports/v1.3.0/nginx-nginx-gateway-fabric/experimental-2.1.0-default-report.yaml

@@ -0,0 +1,98 @@
+apiVersion: gateway.networking.k8s.io/v1
+date: "2025-08-18T20:07:45Z"
+gatewayAPIChannel: experimental
+gatewayAPIVersion: v1.3.0
+implementation:
+  contact:
+  - https://github.com/nginx/nginx-gateway-fabric/discussions/new/choose
+  organization: nginx
+  project: nginx-gateway-fabric
+  url: https://github.com/nginx/nginx-gateway-fabric
+  version: v2.1.0
+kind: ConformanceReport
+mode: default
+profiles:
+- core:
+    result: success
+    statistics:
+      Failed: 0
+      Passed: 12
+      Skipped: 0
+  extended:
+    result: success
+    statistics:
+      Failed: 0
+      Passed: 1
+      Skipped: 0
+    supportedFeatures:
+    - GatewayAddressEmpty
+    - GatewayHTTPListenerIsolation
+    - GatewayInfrastructurePropagation
+    - GatewayPort8080
+    unsupportedFeatures:
+    - GatewayStaticAddresses
+  name: GATEWAY-GRPC
+  summary: Core tests succeeded. Extended tests succeeded.
+- core:
+    result: success
+    statistics:
+      Failed: 0
+      Passed: 33
+      Skipped: 0
+  extended:
+    result: success
+    statistics:
+      Failed: 0
+      Passed: 16
+      Skipped: 0
+    supportedFeatures:
+    - GatewayAddressEmpty
+    - GatewayHTTPListenerIsolation
+    - GatewayInfrastructurePropagation
+    - GatewayPort8080
+    - HTTPRouteBackendProtocolWebSocket
+    - HTTPRouteHostRewrite
+    - HTTPRouteMethodMatching
+    - HTTPRoutePathRedirect
+    - HTTPRoutePathRewrite
+    - HTTPRoutePortRedirect
+    - HTTPRouteQueryParamMatching
+    - HTTPRouteRequestMirror
+    - HTTPRouteRequestMultipleMirrors
+    - HTTPRouteRequestPercentageMirror
+    - HTTPRouteResponseHeaderModification
+    - HTTPRouteSchemeRedirect
+    unsupportedFeatures:
+    - GatewayStaticAddresses
+    - HTTPRouteBackendProtocolH2C
+    - HTTPRouteBackendRequestHeaderModification
+    - HTTPRouteBackendTimeout
+    - HTTPRouteDestinationPortMatching
+    - HTTPRouteParentRefPort
+    - HTTPRouteRequestTimeout
+  name: GATEWAY-HTTP
+  summary: Core tests succeeded. Extended tests succeeded.
+- core:
+    result: success
+    statistics:
+      Failed: 0
+      Passed: 11
+      Skipped: 0
+  extended:
+    result: success
+    statistics:
+      Failed: 0
+      Passed: 1
+      Skipped: 0
+    supportedFeatures:
+    - GatewayAddressEmpty
+    - GatewayHTTPListenerIsolation
+    - GatewayInfrastructurePropagation
+    - GatewayPort8080
+    unsupportedFeatures:
+    - GatewayStaticAddresses
+  name: GATEWAY-TLS
+  summary: Core tests succeeded. Extended tests succeeded.
+succeededProvisionalTests:
+- GatewayInfrastructure
+- HTTPRouteRequestPercentageMirror