feat(i18n): Add expand and collapse translations for code blocks

src/renderer/src/i18n/locales/en-us.json

@@ -930,7 +930,9 @@
     },
     "code_block": {
       "enable_wrap": "Wrap",
-      "disable_wrap": "Unwrap"
+      "disable_wrap": "Unwrap",
+      "expand": "Expand",
+      "collapse": "Collapse"
     },
     "backup": {
       "title": "Data Backup",

src/renderer/src/i18n/locales/ja-jp.json

@@ -930,7 +930,9 @@
     },
     "code_block": {
       "enable_wrap": "改行",
-      "disable_wrap": "改行解除"
+      "disable_wrap": "改行解除",
+      "expand": "展開する",
+      "collapse": "折りたたむ"
     },
     "backup": {
       "title": "データバックアップ",

src/renderer/src/i18n/locales/ru-ru.json

@@ -930,7 +930,9 @@
     },
     "code_block": {
       "enable_wrap": "Перенос строки",
-      "disable_wrap": "Отменить перенос строки"
+      "disable_wrap": "Отменить перенос строки",
+      "expand": "Развернуть",
+      "collapse": "Свернуть"
     },
     "backup": {
       "title": "Резервное копирование данных",

src/renderer/src/i18n/locales/zh-cn.json

@@ -930,7 +930,9 @@
     },
     "code_block": {
       "enable_wrap": "换行",
-      "disable_wrap": "取消换行"
+      "disable_wrap": "取消换行",
+      "expand": "展开",
+      "collapse": "收起"
     },
     "backup": {
       "title": "数据备份",

src/renderer/src/i18n/locales/zh-tw.json

@@ -930,7 +930,9 @@
     },
     "code_block": {
       "enable_wrap": "換行",
-      "disable_wrap": "取消換行"
+      "disable_wrap": "取消換行",
+      "expand": "展開",
+      "collapse": "收起"
     },
     "backup": {
       "title": "資料備份",

src/renderer/src/pages/home/Markdown/CodeBlock.tsx

@@ -156,11 +156,12 @@ const ExpandButton: React.FC<{
   onClick: () => void
   showButton: boolean
 }> = ({ isExpanded, onClick, showButton }) => {
+  const { t } = useTranslation()
   if (!showButton) return null
 
   return (
     <ExpandButtonWrapper onClick={onClick}>
-      <div className="button-text">{isExpanded ? '收起' : '展开'}</div>
+      <div className="button-text">{isExpanded ? t('code_block.collapse') : t('code_block.expand')}</div>
     </ExpandButtonWrapper>
   )
 }
@@ -317,6 +318,9 @@ const ExpandButtonWrapper = styled.div`
     z-index: 1;
     transition: color 0.2s;
     font-size: 12px;
+    font-family:
+      -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue',
+      sans-serif;
   }
 
   &:hover .button-text {