Update design-task.md

.gitlab/issue_templates/design-task.md

-# What needs to be done?
+# Describe what is needed
 
-* step
-* step
-* step
+1. Update issue topic according description
+2. ..
+3. ..
 
-# Remember also?
-
-* askel
-* askel
-* askel
-* 
-
-# Who is responsible?
+# Responsible
 
+* name/stakeholder
 
 # Links & Sources
 
+
 /label ~Design
 /lable ~Backlog
\ No newline at end of file