Teams: Implement seasondata/teams page + creation/deletion/updating

src/routes/+layout.svelte

@@ -100,15 +100,11 @@
               <Username id="signin_username" name="username" />
               <Password id="signin_password" name="password" />
               <div class="card-actions mt-2 justify-end">
-                <button
+                <button formaction="/user?/create" class="btn btn-accent"
-                  formaction="/user?/create"
+                  >Register</button
-                  type="button"
-                  class="btn btn-accent">Register</button
                 >
-                <button
+                <button formaction="/user?/login" class="btn btn-accent"
-                  formaction="/user?/login"
+                  >Login</button
-                  type="submit"
-                  class="btn btn-accent">Login</button
                 >
               </div>
             </form>