feat(channel): 添加企业微信、微博、WhatsApp 和 Workplace 渠道扩展
新增企业微信、微博、WhatsApp、Workplace 四个渠道扩展。
企业微信渠道扩展主要模块：config, gateway, webhook, webhook_bot, outbound, streaming, pairing, security, crypto, dedupe, persistent_dedupe, card, directory, events, externalcontact, media, mentions, menu, message, oauth, status
微博渠道扩展主要模块：config, gateway, webhook, outbound, streaming, pairing, security, dedupe, passive_reply, broadcast, message, menu, media, subscription, template, status
WhatsApp 渠道扩展主要模块：config, gateway, webhook, outbound, streaming, pairing, security, dedupe, actions, monitor, status
Workplace 渠道扩展主要模块：config, gateway, webhook, outbound, streaming, pairing, security, dedupe, actions, challenge, groups, media, mentions, menu, monitor, persona, quick_reply, signature, subscriptions, template, threading, users, status
Kris
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