some experimentation with frontend

crates/frontend/templates/components/login.html

@@ -0,0 +1,7 @@
+<form action="login" method="post">
+  <label for="username">Username</label>
+  <input type="text" name="username" placeholder="username">
+  <label for="password">Password</label>
+  <input type="password" name="password" placeholder="password">
+  <button type="submit">Login</button>
+</form>