Update README file

Author: Xirdion

README.md

@@ -6,7 +6,8 @@ The contao jobposting bundle adds the ability to display and maintain job offers
 
 - Compatible with Contao 4.9 and higher versions (PHP 8 Support)
 - Job-Archives and Job-Categories
-- List- and Reader-Module to show the jobs in the Frontend
+- List- and Reader-Module to show the jobs in the frontend
+- Own content element to show a specific job in the frontend
 - Every job has its own unique link
 - JSON+LD is generated for its job 
 
@@ -21,3 +22,24 @@ $ composer require dreibein/contao-jobposting-bundle
 
 - PHP: `>=7.4`
 - Contao: `^4.9`
+
+## Besonderheiten
+Jobs werden in den Modulen und Content-Elementen nur über die \Contao\TemplateInheritance::insert() Funktion eingebunden.
+
+**Job-Display:** (Content-Element)
+```php
+$this->insert('template_name', $this->job);
+```
+
+**Job-Reader:**
+```php
+$this->insert('template_name', $this->job);
+```
+
+**Job-List:**
+```php
+foreach ($this->jobs as $job) {
+    $this->insert('template_name', $job);
+}
+```
+