Add signature verification support for Feishu bot notifications (#2856)

* Initial plan

* Add signature verification support for Feishu bot notifications

Co-authored-by: whyour <22700758+whyour@users.noreply.github.com>

* Add clarifying comments about Feishu signature algorithm

Co-authored-by: whyour <22700758+whyour@users.noreply.github.com>

* Add i18n translations for larkSecret configuration field

Co-authored-by: whyour <22700758+whyour@users.noreply.github.com>

---------

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: whyour <22700758+whyour@users.noreply.github.com>

src/utils/config.ts

@@ -395,6 +395,12 @@ export default {
         ),
         required: true,
       },
+      {
+        label: 'larkSecret',
+        tip: intl.get(
+          '飞书群组机器人加签密钥，安全设置中开启签名校验后获得',
+        ),
+      },
     ],
     email: [
       {