Implement in-game and website notifications (#932)

* Implement notifications logic, basic calls, and admin command

* Remove unnecessary code

* Add ability to stack notifications and return manually created XML

* Remove test that is no longer needed and is causing failures

* Apply suggestions from code review

* Merge notifications with existing announcements page

* Order notifications by descending ID instead of ascending ID

* Move notification send task to moderation options under user

Also restyles the buttons to line up next to each other like in the slot pages.

* Style/position fixes with granted slots/notification partials

* Fix incorrect form POST route

* Prevent notification text area from breaking out of container

* Actually use builder result for notification text

* Minor restructuring of the notifications page

* Add notifications for team picks, publish issues, and moderation

* Mark notifications as dismissed instead of deleting them

* Add XMLdoc to SendNotification method

* Fix incorrect URL in announcements webhook

* Remove unnecessary inline style from granted slots partial

* Apply suggestions from code review

* Apply first batch of suggestions from code review

* Apply second batch of suggestions from code review

* Change notification icon depending on if user has unread notifications

* Show unread notification icon if there is an announcement posted

* Remove "potential" wording from definitive fixes in error docs

* Remove "Error code:" from publish notifications

* Send notification if user tries to unlock a mod-locked level

* Change notification timestamp format to include date

* Add clarification to level mod-lock notification message

* Change team pick notifications to moderation notifications

Apparently the MMPick type doesn't show a visual notification.

* Apply suggestions from code review

* Add obsolete to notification types that display nothing in-game

* Remove unused imports and remove icon switch case in favor of bell icon

* Last minute fixes

* Send notification upon earth wipe and clarify moderation case notifications

* Add check for empty/too long notification text

ProjectLighthouse.Localization/General.resx

@@ -3,7 +3,7 @@
 <root>
     <xsd:schema id="root" xmlns="" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:msdata="urn:schemas-microsoft-com:xml-msdata">
         <xsd:element name="root" msdata:IsDataSet="true">
-            
+
         </xsd:element>
     </xsd:schema>
     <resheader name="resmimetype">
@@ -60,4 +60,7 @@
     <data name="announcements" xml:space="preserve">
         <value>Announcements</value>
     </data>
+    <data name="notifications" xml:space="preserve">
+        <value>Notifications</value>
+    </data>
 </root>