feat: sinicize signup and signin pages.

lang/en-US.json

@@ -1,4 +1,21 @@
 {
+  "signIn":"Sign In",
+  "signUp":"Sign Up",
+  "username":"User Name",
+  "password":"Password",
+  "Username is required":"Username is required",
+  "Password is required":"Password is required",
+  "Create your account":"Create your account",
+  "createAccount":"Create Account",
+  "email":"E-mail",
+  "Sign in instead":"Sign in instead",
+  "Please enter your username":"Please enter your username",
+  "Username must be at least 4 characters":"Username must be at least 4 characters",
+  "Please enter your e-mail address":"Please enter your e-mail address",
+  "E-mail address must be valid":"E-mail address must be valid",
+  "Please enter your password":"Please enter your password",
+  "Password must be at least 8 characters":"Password must be at least 8 characters",
+  "Please confirm your password":"Please confirm your password",
   "welcomeTo": "Welcome to",
   "language": "Language",
   "setApiKey": "Set API Key",

lang/ru-RU.json

@@ -1,4 +1,21 @@
 {
+  "signIn":"Sign In",
+  "signUp":"Sign Up",
+  "username":"User Name",
+  "password":"Password",
+  "Username is required":"Username is required",
+  "Password is required":"Password is required",
+  "Create your account":"Create your account",
+  "createAccount":"Create Account",
+  "email":"E-mail",
+  "Sign in instead":"Sign in instead",
+  "Please enter your username":"Please enter your username",
+  "Username must be at least 4 characters":"Username must be at least 4 characters",
+  "Please enter your e-mail address":"Please enter your e-mail address",
+  "E-mail address must be valid":"E-mail address must be valid",
+  "Please enter your password":"Please enter your password",
+  "Password must be at least 8 characters":"Password must be at least 8 characters",
+  "Please confirm your password":"Please confirm your password",
   "welcomeTo": "Добро пожаловать в",
   "language": "Язык",
   "setApiKey": "Установить ключ API",

lang/zh-CN.json

@@ -1,4 +1,21 @@
 {
+  "signIn":"登录",
+  "signUp":"注册",
+  "username":"用户名",
+  "password":"密码",
+  "Username is required":"请填写用户名",
+  "Password is required":"请填写密码",
+  "Create your account":"创建你的账号",
+  "createAccount":"创建账号",
+  "email":"邮箱",
+  "Sign in instead":"返回登录",
+  "Please enter your username":"请输入你的用户名",
+  "Username must be at least 4 characters":"用户名至少四个字符",
+  "Please enter your e-mail address":"请输入你的电子邮箱",
+  "E-mail address must be valid":"电子邮箱地址格式不正确",
+  "Please enter your password":"请输入你的密码",
+  "Password must be at least 8 characters":"密码至少八个字符",
+  "Please confirm your password":"请输入确认密码",
   "welcomeTo": "欢迎来到",
   "language": "语言",
   "setApiKey": "设置API密钥",