Fix "unsigned" capitalization

- add local zh zh-tw: unsigned

src/components/EditorSidePanel/TablesTab/FieldDetails.jsx

@@ -302,7 +302,7 @@ export default function FieldDetails({ data, tid, index }) {
       {databases[database].hasUnsignedTypes &&
         dbToTypes[database][data.type].signed && (
           <div className="flex justify-between items-center my-3">
-            <div className="font-medium">{t("Unsigned")}</div>
+            <div className="font-medium">{t("unsigned")}</div>
             <Checkbox
               value="unsigned"
               checked={data.unsigned}

src/i18n/locales/zh-tw.js

@@ -235,6 +235,7 @@ const zh_tw = {
     declare_array: "宣告陣列",
     empty_index_name: "在表格 '{{tableName}}' 中宣告了一個沒有名稱的索引",
     didnt_find_diagram: "糟糕！找不到圖表。",
+    unsigned: "無符號",
   },
 };
 

src/i18n/locales/zh.js

@@ -210,6 +210,7 @@ const zh = {
     pick_db: "选择数据库",
     generic: "通用的",
     generic_description: "通用的图表可以导出为任何SQL风格，但支持的数据类型较少。",
+    unsigned: "无符号",
   },
 };