add howtos for mailman make admin user and deleting a thread

new file:   delete_mailman_thread.md
	new file:   make_mailman_user_admin.md

delete_mailman_thread.md

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+How to delete a thread in mailman. 
+
+---
+**NOTE**
+
+**This should only ever be done if requested by management.
+Once a thread is deleted it cannot be recovered**
+
+---
+
+Go to the  [mailman site](https://lists.fedoraproject.org/archives/) on the top right corner select `Sign In`
+
+Do not login through the username and password fields, login using the third party `Fedora` link to assume fas permissions.
+
+
+Once logged in select the thread you wish to delete either directly by url or by searching through the archive. On the right hand side of the page there will be a box containg the `Delete this thread` option. If you do not see this then you don't have the required permissions. Click this and you will be asked to confirm deletion.
+
+After deletion try to navigate back to the page to ensure the thread is removed.

make_mailman_user_admin.md

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+Make mailman user an admin
+
+Go to the  [mailman site](https://lists.fedoraproject.org/archives/) on the top right corner select `Sign In`
+
+Do not login through the username and password fields, login using the third party `Fedora` link to assume fas permissions.
+
+Once logged in navigate to the [django admin page](https://lists.fedoraproject.org/django-admin) you should see in the top right corner that you are logged in.
+
+Search for the user who you wish to make admin, click on the name and tick the `staff status` box. Click the save button at the bottom. Admin access should now be present for the user.