feat(settings): add FAQ link to about section (#575)

src/i18n/locales/en/settings.json

@@ -268,6 +268,7 @@
     "basedOn": "Based on OpenClaw",
     "version": "Version {{version}}",
     "docs": "Website",
-    "github": "GitHub"
+    "github": "GitHub",
+    "faq": "FAQ"
   }
 }

src/i18n/locales/ja/settings.json

@@ -265,6 +265,7 @@
     "basedOn": "OpenClaw ベース",
     "version": "バージョン {{version}}",
     "docs": "公式サイト",
-    "github": "GitHub"
+    "github": "GitHub",
+    "faq": "よくある質問"
   }
 }

src/i18n/locales/zh/settings.json

@@ -268,6 +268,7 @@
     "basedOn": "基于 OpenClaw",
     "version": "版本 {{version}}",
     "docs": "官网",
-    "github": "GitHub"
+    "github": "GitHub",
+    "faq": "常见问题"
   }
 }