Add login support and oobe

Tesses.YouTubeDownloader.Server/src/pages/login.tcross

@@ -0,0 +1,35 @@
+func Pages.Login(redirect,incorrect)
+{
+    const html = <null>
+    <if(incorrect)>
+        <true>
+            <blockquote>
+                <h5>The login was incorrect, or does not exist</h5>
+            </blockquote>
+        </true>
+    </if>
+    <form method="POST" action="./login">
+        <input type="hidden" name="redirect" value={redirect}>
+        <article class="border medium no-padding center-align middle-align">
+            <div class="padding">
+                <h5>Login to TYTD2025</h5>
+                <div class="medium-padding">
+                    <div class="field label border">
+                        <input type="text" name="username">
+                        <label>Username</label>
+                    </div>
+                    <div class="field label border">
+                        <input type="password" name="password">
+                        <label>Password</label>
+                    </div>
+                    <div class="medium-padding">
+                        <button>Login</button>
+                    </div>
+                </div>
+            </div>
+        </article>
+    </form>
+</null>;
+
+    return Components.ShellSimple("Login", html);
+}