add sidebar links, image dimensions, remove lecture from feature name

Author: Barb Cutler

_docs/instructor/course_settings/live_chat.md

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+---
+category: Instructor > Course Settings
+title: Live Chat
+---
+
+See also [Student -- Communication -- Live Chat](/student/communication/live_chat).
+
+## Enabling Live Chat
+
+To enable Live Chat for a course, an instructor must go to the "Course Settings" page and click the checkbox labelled "Enable Live Chat". You can then access Live Chat from the left sidebar. When you enter the Live Chat menu, you will be shown a list of currently enabled and disabled chats:
+
+![](/images/live_chat/live_chat_menu_admin.png)
+
+To create a new chat, click the New Chatroom button and enter your desired name, description, and anonymity (the description may be blank):
+
+![](/images/live_chat/live_chat_creation.png)
+
+
+You will then see your newly created channel, and you will be able to click Start Session to allow students to join the chat. Additionally, you can edit the Live Chat or delete the Live Chat if the chat is disabled.
+
+![](/images/live_chat/live_chat_edit.png)
+
+An instructor can join the chatroom and leave messages while it is enabled or disabled:
+
+![](/images/live_chat/live_chat_instructor_access.png)

_docs/instructor/course_settings/live_lecture_chat.md

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+---
+category: Student > Communication
+title: Live Chat
+---
+
+The live chat feature allows Submitty users to engage in real time communication via their course page. Its primary use case is to allow for live participation within lectures, creating a similar ease of communication to an online lecture.
+
+## Live Chat Usage
+
+Once your instructor has enabled Live Chat, it will appear on the sidebar for student use:
+
+<img src="/images/live_chat/live_chat_icon_example.png" width="200px">
+
+Upon clicking on Live Chat, you will be met with this menu:
+
+![](/images/live_chat/live_chat_menu.png)
+
+When an instructor enables live chat, a chat entry will appear. Your instructor may have enabled the ability to join Anonymously as shown below:
+
+![](/images/live_chat/live_enabled_chat.png)
+
+You can now enter Live Chat. There you will see messages from other Submitty users in your course:
+
+![](/images/live_chat/live_chat.png)
+
+
+See also [Instructor -- Course Settings -- Live Chat](/instructor/course_settings/live_chat).