Update doc [skip ci].

Author: vuongxuongminh

README.md

@@ -55,11 +55,12 @@ security:
     main:
       stateless: true
       istio_jwt_authenticator:
-        - issuer: issuer_1 # Required
-          user_identifier_claim: sub #Default is `sub` claim
-          origin_token_headers: [authorization] #Required at least once of `origin_token_headers`, `origin_token_query_params` or `base64_headers`. Use this option when your Istio JWTRule CRD using `forwardOriginalToken`.
-          origin_token_query_params: [token] #Use this option when your Istio JWTRule CRD using `forwardOriginalToken` and your JWT token in query param.
-          base64_headers: [x-istio-jwt-payload] # Use this option when your Istio JWTRule CRD using `outputPayloadToHeader`.
+        rules:
+          - issuer: issuer_1 # Required
+            user_identifier_claim: sub #Default is `sub` claim
+            origin_token_headers: [authorization] #Required at least once of `origin_token_headers`, `origin_token_query_params` or `base64_headers`. Use this option when your Istio JWTRule CRD using `forwardOriginalToken`.
+            origin_token_query_params: [token] #Use this option when your Istio JWTRule CRD using `forwardOriginalToken` and your JWT token in query param.
+            base64_headers: [x-istio-jwt-payload] # Use this option when your Istio JWTRule CRD using `outputPayloadToHeader`.
 ```
 
 In case your application have multi issuers:
@@ -69,11 +70,12 @@ In case your application have multi issuers:
     main:
       stateless: true
       istio_jwt_authenticator:
-        - issuer: issuer_1
-          origin_token_headers: [authorization]
-        - issuer: issuer_2
-          user_identifier_claim: aud
-          base64_headers: [x-istio-jwt-payload]
+        rules:
+          - issuer: issuer_1
+            origin_token_headers: [authorization]
+          - issuer: issuer_2
+            user_identifier_claim: aud
+            base64_headers: [x-istio-jwt-payload]
         #....
 ```
 
@@ -82,7 +84,7 @@ In case your application have multi issuers:
 ```shell
 #!/bin/bash
 
-# Generate mock JWT token forwarded by Istio sidecar
+#Generate mock JWT token forwarded by Istio sidecar
 
 payload='{"issuer":"issuer_1", "sub": "test"}';
 base64_payload=$(echo -n $payload | base64 -);