fix broken links (#600)

Signed-off-by: spacewander <spacewanderlzx@gmail.com>

site/Makefile

@@ -41,4 +41,5 @@ publish:
 .PHONY: lint-website
 lint-website: $(LOCALBIN)
 	test -x $(LOCALBIN)/htmltest || GOBIN=$(LOCALBIN) go install github.com/wjdp/htmltest@v0.17.0
-	$(LOCALBIN)/htmltest --conf ./.htmltest.yml ./public | grep 'target does not exist' && exit 1 || true
+	$(LOCALBIN)/htmltest --conf ./.htmltest.yml ./public | grep  -E '(target does not exist|Non-OK status: 404)' \
+		&& exit 1 || true

site/content/en/docs/developer-guide/plugin_development.md

@@ -64,7 +64,7 @@ You can specify the plugin's type in its `Order` method.
 If a plugin doesn't claim its order, it will be put into `OrderPositionUnspecified` group, with the operation `OrderOperationNop`.
 
 If you want to configure a plugin in different positions, you can define the plugin as the base class,
-and register its derived classes. Please check [this](https://github.com/mosn/htnn/blob/main/pkg/plugins/plugins_test.go) for the example.
+and register its derived classes. Please check [this](https://github.com/mosn/htnn/blob/main/api/pkg/plugins/plugins_test.go) for the example.
 
 ## Filter manager
 
@@ -148,4 +148,4 @@ A consumer plugin needs to meet the following conditions:
 * Implements the [ConsumerPlugin](https://pkg.go.dev/mosn.io/htnn/pkg/plugins#ConsumerPlugin) interface.
 * Defines the `DecodeHeaders` method, and in this method, it calls `LookupConsumer` and `SetConsumer` to complete the setting of the consumer.
 
-You can take the [keyAuth](https://github.com/mosn/htnn/blob/main/plugins/key_auth/filter.go) plugin as an example to write your own consumer plugin.
+You can take the [keyAuth](https://github.com/mosn/htnn/blob/main/plugins/plugins/key_auth/filter.go) plugin as an example to write your own consumer plugin.

site/content/zh-hans/docs/developer-guide/plugin_development.md

@@ -63,7 +63,7 @@ Go 插件结束。
 如果插件没有声明其顺序，它将被放入 `OrderPositionUnspecified` 组，操作为 `OrderOperationNop`。
 
 如果您想在不同位置配置插件，您可以将插件定义为基类，
-并注册其派生类。请检查[此示例](https://github.com/mosn/htnn/blob/main/pkg/plugins/plugins_test.go)。
+并注册其派生类。请检查[此示例](https://github.com/mosn/htnn/blob/main/api/pkg/plugins/plugins_test.go)。
 
 ## Filter manager
 
@@ -143,4 +143,4 @@ filter manager 实现了以下特性：
 * 实现 [ConsumerPlugin](https://pkg.go.dev/mosn.io/htnn/pkg/plugins#ConsumerPlugin) 接口。
 * 定义 `DecodeHeaders` 方法，且在该方法里调用 `LookupConsumer` 和 `SetConsumer` 完成消费者的设置。
 
-您可以以 [keyAuth](https://github.com/mosn/htnn/blob/main/plugins/key_auth/filter.go) 插件为例，编写自己的消费者插件。
+您可以以 [keyAuth](https://github.com/mosn/htnn/blob/main/plugins/plugins/key_auth/filter.go) 插件为例，编写自己的消费者插件。