Module development and code questions

Hello,
I tried to set links to the user (front)-page using this code in the module the "custom_simple_menu.module" file in my module structure. Uunfortunatelly no link appears. 
What do I have to change in the code?
Thank you
Peter Winkels

<?php

/**
 * @file
 * Contains custom simple menu module.
 */

/**
 * Implements hook_menu_links_discovered_alter().
 */
function custom_simple_menu_menu_links_discovered_alter(&$links) {

Hi, 

I am trying to show the Status Report to a user with custom rights. I can see the admin/reports/status page for the user I want to set the rights too. 

Controller:

Hello,

I have custom content-type with 'image' type field. I want to render it into my custom block (by adding my own <a href> and <img> path). The problem is that I'm lost on how to get the URL to the image. Here's what I've tried:

Hi,

I am working on a project that shares some content types with another project.  I have configuration splits set to include content types for my project. This has been working fine until recently.

I created a branch and ran a drush cex to view the files I would be exporting.  They all looked good.  Then, after I said 'yes' to the prompt: The .yml files in your export directory (/var/www/html/config/default) will be deleted and replaced with the active config. (yes/no) ive config. (yes/no) [yes]".  There are over 150 files that are similar to this:

Hi,

I've been working with my scss and css files.  I first started using a css file in order to check the styles on the website, but now I think I really should use scss files to create my css file, as I change things.

I added the scss files under the scss folder:  _main.scss and _fonts.scss

In the theme-custom-styles.scss file I added references:

I'm developing a module and I have a twig template being rendered by a theme.

I can't use the asset() function inside the twig template, because I always get a PHP error:

NOTICE: PHP message: Uncaught PHP Exception Twig\Error\SyntaxError: "Unknown "asset" function." at /app/web/modules/custom/my_module/templates/list-clients.html.twig line 6

I think I correctly installed symfony/asset using composer:

Using version ^5.2 for symfony/asset
 

What am I doing wrong here? Should I additionally configure symfony somewhere in Drupal installation?