Add fixed chat textarea option to AccessibilitySettings

Additionally, change 'send to center' to 'send to shift center'

src/lang/cn.ts

@@ -1,5 +1,5 @@
 export const languageChinese = {
-	"formating": {
+    "formating": {
         "main": "主提示词",
         "jailbreak": "越狱提示词",
         "chats": "历史聊天",
@@ -379,7 +379,8 @@ export const languageChinese = {
     "globalLoreBook": "全局世界书",
     "globalRegexScript": "全局正则表达式",
     "accessibility": "辅助功能",
-    "sendWithEnter": "使用 Enter 键发送",
+    "sendWithEnter": "使用 Enter 键发送（取消检查时Shift + Enter更改为消息传送。）",
+    "fixedChatTextarea": "固定聊天窗口底部",
     "clickToEdit": "点击文字进行编辑",
     "setNodePassword": "设置密码以提升安全性",
     "inputNodePassword": "输入密码。如果忘记密码，请删除服务器文档中的 save/__password.txt 并重启服务器。",