chore(rules): update example to use new block syntax

internal/route/rules/rules.go

@@ -27,22 +27,21 @@ type (
 			Example:
 
 				proxy.app1.rules: |
-					- name: default
+					default {
-						do: |
+						rewrite / /index.html
-							rewrite / /index.html
+						serve /var/www/goaccess
-							serve /var/www/goaccess
+					}
-					- name: ws
+					header Connection Upgrade & header Upgrade websocket {
-						on: |
+						bypass
-							header Connection Upgrade
+					}
-							header Upgrade websocket
-						do: bypass
 
 				proxy.app2.rules: |
-					- name: default
+					default {
-						do: bypass
+						bypass
-					- name: block POST and PUT
+					}
-						on: method POST | method PUT
+					method POST | method PUT {
-						do: error 403 Forbidden
+						error 403 Forbidden
+					}
 	*/
 	//nolint:recvcheck
 	Rules []Rule