Refactors antag team code. Adds an admin UI to interact with teams (#19870)

* adds antag team framework code

* Apply suggestions from code review

Co-authored-by: Luc <89928798+lewcc@users.noreply.github.com>

* sirryan review

* adds the ability for admins to add members

* oops

Co-authored-by: Luc <89928798+lewcc@users.noreply.github.com>

code/modules/admin/topic.dm

@@ -1609,6 +1609,49 @@
 	else if(href_list["check_antagonist"])
 		check_antagonists()
 
+	else if(href_list["check_teams"])
+		if(!check_rights(R_ADMIN))
+			return
+		check_teams()
+
+	else if(href_list["team_command"])
+		if(!check_rights(R_ADMIN))
+			return
+		var/datum/team/team
+		var/datum/mind/member
+		if(href_list["team"])
+			team = locateUID(href_list["team"])
+			if(QDELETED(team))
+				to_chat(usr, "<span class='warning'>This team doesn't exist anymore!</span>")
+				return
+		if(href_list["member"])
+			member = locateUID(href_list["member"])
+			if(QDELETED(member))
+				to_chat(usr, "<span class='warning'>This team member doesn't exist anymore!</span>")
+				return
+		switch(href_list["team_command"])
+			if("communicate")
+				team.admin_communicate(usr)
+			if("delete_team")
+				message_admins("[key_name_admin(usr)] has deleted the '[team.name]' team.")
+				log_admin("[key_name_admin(usr)] has deleted the '[team.name]' team.")
+				qdel(team)
+			if("rename_team")
+				team.admin_rename_team(usr)
+			if("admin_add_member")
+				team.admin_add_member(usr)
+			if("remove_member")
+				team.admin_remove_member(usr, member)
+			if("view_member")
+				show_player_panel(member.current)
+			if("add_objective")
+				team.admin_add_objective(usr)
+			if("remove_objective")
+				var/datum/objective/O = locateUID(href_list["objective"])
+				if(O)
+					team.admin_remove_objective(usr, O)
+		check_teams()
+
 	else if(href_list["take_question"])
 		var/index = text2num(href_list["take_question"])