Item119: Add all planned marketing activities as tasks in the Tasks-Web

To operationalize our Marketing-ToDos we need to move the lines on PlannedMarketingActivities in the Community-Web in this Tasks-Web as invididual Tasks.

• It is important, that these Tasks are well described, that a newbie can help with them right away.
• It would also help a lot if we added the amount of minutes or hours, that it will take, to perform the taks in brackets to the Task-headline. Here is an example: Read this post (2min)
• If the planned activities are too vague, please help in splitting them up in multiple tasks.
• Please link the lines in PlannedMarketingActivities to the newly created tasks in the tasks web.