feat(mobile): add discord link in setting (#13789)

<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->

## Summary by CodeRabbit

* **New Features**
* Added a new Discord community link in the mobile settings Others
section with an animated "Hot" badge

* **Localization**
* Added multilingual support for the new Discord link across all
supported languages

<!-- end of auto-generated comment: release notes by coderabbit.ai -->

packages/frontend/i18n/src/i18n.gen.ts

@@ -2771,6 +2771,10 @@ export function useAFFiNEI18N(): {
       * `Star us on GitHub`
       */
     ["com.affine.mobile.setting.others.github"](): string;
+    /**
+      * `Discord Group`
+      */
+    ["com.affine.mobile.setting.others.discord"](): string;
     /**
       * `Privacy`
       */

packages/frontend/i18n/src/resources/en.json

@@ -691,6 +691,7 @@
   "com.affine.mobile.setting.appearance.title": "Appearance",
   "com.affine.mobile.setting.header-title": "Settings",
   "com.affine.mobile.setting.others.github": "Star us on GitHub",
+  "com.affine.mobile.setting.others.discord": "Discord Group",
   "com.affine.mobile.setting.others.privacy": "Privacy",
   "com.affine.mobile.setting.others.terms": "Terms of use",
   "com.affine.mobile.setting.others.title": "Privacy & others",