feat:企业微信客户端API JS-SDK wx.config 和 wx.agentConfig 方法权限签名 (#817)

* feat: enhance WorkAccessToken to include AgentID for improved token management

- Added AgentID field to WorkAccessToken struct.
- Updated NewWorkAccessToken function to accept AgentID as a parameter.
- Modified access token cache key to incorporate AgentID, ensuring unique cache entries per agent.

This change improves the handling of access tokens in a multi-agent environment.

* refactor: enhance WorkAccessToken to improve cache key handling

- Updated the AgentID field in WorkAccessToken struct to clarify its optional nature for distinguishing applications.
- Modified the access token cache key construction to support both new and legacy formats based on the presence of AgentID.
- Added comments for better understanding of the cache key logic and its compatibility with historical versions.

This change improves the flexibility and clarity of access token management in multi-agent scenarios.

* feat(work): add JsSdk method for JavaScript SDK integration

- Introduced a new JsSdk method in the Work struct to facilitate the creation of a Js instance.
- This addition enhances the functionality of the Work module by enabling JavaScript SDK support.

This change improves the integration capabilities for developers working with the WeChat Work API.

* fix gofmt

credential/default_access_token.go

@@ -229,6 +229,7 @@ func (ak *WorkAccessToken) GetAccessTokenContext(ctx context.Context) (accessTok
 
 	// 构建缓存key
 	var accessTokenCacheKey string
+
 	if ak.AgentID != "" {
 		// 如果设置了AgentID，使用新的key格式
 		accessTokenCacheKey = fmt.Sprintf("%s_access_token_%s_%s", ak.cacheKeyPrefix, ak.CorpID, ak.AgentID)