feat!: implemented multigame support (#34)

Reviewed-on: #34
Co-authored-by: Janis <janis.e.20@gmx.de>
Co-committed-by: Janis <janis.e.20@gmx.de>

knockoutwhistweb/app/views/login/login.scala.html

@@ -0,0 +1,41 @@
+@()
+
+@main("Login") {
+    <div class="login-box">
+        <div class="card login-card p-4">
+            <div class="card-body">
+                <h3 class="text-center mb-4">Login</h3>
+
+                <form action="@routes.UserController.login_Post()" method="post">
+                    <div class="mb-3">
+                        <label for="username" class="form-label">Username</label>
+                        <input type="text" class="form-control" id="username" name="username" placeholder="Enter Username" required>
+                    </div>
+
+                    <div class="mb-3">
+                        <label for="password" class="form-label">Password</label>
+                        <input type="password" class="form-control" id="password" name="password" placeholder="Enter password" required>
+                    </div>
+
+                    <div class="d-flex justify-content-between align-items-center mb-3">
+                        <a href="#" class="text-decoration-none">Forgot password?</a>
+                    </div>
+
+                    <div class="d-grid">
+                        <button type="submit" class="btn btn-primary">Login</button>
+                    </div>
+                </form>
+
+                <p class="text-center mt-3">
+                    Don’t have an account?
+                    <a href="#" class="text-decoration-none">Sign up</a>
+                </p>
+            </div>
+        </div>
+    </div>
+    <script src="@routes.Assets.versioned("/javascripts/particles.js")"></script>
+    <div id="particles-js" style="background-color: rgb(182, 25, 36);
+        background-size: cover;
+        background-repeat: no-repeat;
+        background-position: 50% 50%;"></div>
+}