chore(i18n): update Chinese translations (#255)

Author: AuroraTea

src/main/services/i18n/locales/zh_CN/menu.json

@@ -66,11 +66,19 @@
     "format": "格式化",
     "previewCode": "预览 HTML 和 CSS",
     "previewScreenshot": "生成并预览代码截图",
-    "previewMarkdown": "预览"
+    "previewMarkdown": "预览 Markdown",
+    "fontSizeIncrease": "增加字体大小",
+    "fontSizeDecrease": "减小字体大小",
+    "fontSizeReset": "重置字体大小"
   },
   "markdown": {
     "label": "Markdown",
     "presentationMode": "演示模式",
     "preview": "预览模式"
+  },
+  "history": {
+    "label": "历史记录",
+    "back": "后退",
+    "forward": "前进"
   }
-}
+}

src/main/services/i18n/locales/zh_HK/menu.json

@@ -66,11 +66,19 @@
     "format": "格式化",
     "previewCode": "預覽 HTML 和 CSS",
     "previewScreenshot": "生成並預覽代碼截圖",
-    "previewMarkdown": "預覽"
+    "previewMarkdown": "預覽",
+    "fontSizeIncrease": "增加字體大小",
+    "fontSizeDecrease": "減少字體大小",
+    "fontSizeReset": "重置字體大小"
   },
   "markdown": {
     "label": "Markdown",
     "presentationMode": "演示模式",
     "preview": "預覽模式"
+  },
+  "history": {
+    "label": "歷史記錄",
+    "back": "回上一頁",
+    "forward": "到下一頁"
   }
-}
+}

src/main/services/i18n/locales/zh_TW/menu.json

@@ -66,11 +66,19 @@
     "format": "格式化",
     "previewCode": "預覽 HTML 和 CSS",
     "previewScreenshot": "生成並預覽程式碼擷圖",
-    "previewMarkdown": "預覽"
+    "previewMarkdown": "預覽 Markdown",
+    "fontSizeIncrease": "增加字體大小",
+    "fontSizeDecrease": "減少字體大小",
+    "fontSizeReset": "重置字體大小"
   },
   "markdown": {
     "label": "Markdown",
     "presentationMode": "演示模式",
     "preview": "預覽模式"
+  },
+  "history": {
+    "label": "歷史記錄",
+    "back": "回上一頁",
+    "forward": "到下一頁"
   }
-}
+}