Added basic authentication and localization

src/Server/Views/Account/Login.cshtml

@@ -0,0 +1,28 @@
+@using Server.Services
+@inject LocalizationService T
+@{
+    ViewData["Title"] = "Login";
+    var returnUrl = ViewData["ReturnUrl"] as string;
+}
+
+<div class="text-center">
+    <h1>Login</h1>
+    <form asp-action="Login" method="post" class="mt-4" style="max-width: 400px; margin: auto;">
+        <div class="form-group mb-3">
+            <label for="username" class="form-label">@T["Username"]</label>
+            <input autofocus type="text" class="form-control" id="username" name="username" autocomplete="username" required>
+        </div>
+
+        <div class="form-group mb-3">
+            <label for="password" class="form-label">@T["Password"]</label>
+            <input type="password" class="form-control" id="password" name="password" autocomplete="current-password" required>
+        </div>
+
+        <button type="submit" class="btn btn-primary w-100">@T["Login"]</button>
+
+        @if (!ViewData.ModelState.IsValid)
+        {
+            <p style="color:red">Invalid username or password</p>
+        }
+    </form>
+</div>