adjust wasm plugin doc (#146)

plugins/wasm-go/README_EN.md

@@ -33,7 +33,7 @@ docker push <your_registry_hub>/request-block:1.0.0
 Read this [document](https://istio.io/latest/docs/reference/config/proxy_extensions/wasm-plugin/) to learn more about wasmplugin.
 
 ```yaml
-apiVersion: extensions.istio.io/v1alpha1
+apiVersion: extensions.higress.io/v1alpha1
 kind: WasmPlugin
 metadata:
   name: request-block
@@ -42,7 +42,7 @@ spec:
   selector:
     matchLabels:
       higress: higress-system-higress-gateway
-  pluginConfig:
+  defaultConfig:
     block_urls:
     - "swagger.html"
   url: oci://<your_registry_hub>/request-block:1.0.0
@@ -64,7 +64,7 @@ content-length: 0
 ## route-level & domain-level takes effect
 
 ```yaml
-apiVersion: extensions.istio.io/v1alpha1
+apiVersion: extensions.higress.io/v1alpha1
 kind: WasmPlugin
 metadata:
   name: request-block
@@ -73,29 +73,32 @@ spec:
   selector:
     matchLabels:
       higress: higress-system-higress-gateway 
-  pluginConfig:
+  defaultConfig:
    # this config will take effect globally (all incoming requests not matched by rules below)
    block_urls:
    - "swagger.html"
-   _rules_:
-   # route-level takes effect
-   - _match_route_:
-     - default/foo
-     # the ingress foo in namespace default will use this config
-     block_bodys:
-     - "foo"
-   - _match_route_:
-     - default/bar
-     # the ingress bar in namespace default will use this config
-     block_bodys:
-     - "bar"
-   # domain-level takes effect
-   - _match_domain_:
-     - "*.example.com"
-     # if the request's domain matched, this config will be used
-     block_bodys:
-     - "foo"
-     - "bar"
+  matchRules:
+  # ingress-level takes effect
+  - ingress:
+    - default/foo
+    # the ingress foo in namespace default will use this config
+    config:
+      block_bodys:
+      - "foo"
+  - ingress:
+    - default/bar
+    # the ingress bar in namespace default will use this config
+    config:
+      block_bodys:
+      - "bar"
+  # domain-level takes effect
+  - domain:
+    - "*.example.com"
+    # if the request's domain matched, this config will be used
+    config:
+      block_bodys:
+       - "foo"
+       - "bar"
   url: oci://<your_registry_hub>/request-block:1.0.0
 ```