updated a/v page (#438)

<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit

* **Documentation**
* Reorganized and improved Audio/Video Chat page with a new Overview and
clarified A/V capabilities
  * Updated Call button description and image caption/alignment
* Replaced prior permissions content with a browser-specific setup
matrix (Chrome, Firefox, Safari) and step-by-step enabling instructions
* Added "Disabling A/V Calls" section explaining organization-owner
control over A/V availability

<sub>✏️ Tip: You can customize this high-level summary in your review
settings.</sub>
<!-- end of auto-generated comment: release notes by coderabbit.ai -->

Author: LolaValente

source/common/develop/ide/editing/av-chat.rst

@@ -3,50 +3,74 @@
 
 .. _av-chat:
 
-Audio Video Chat
+
+Audio/Video Chat
 ================
 
+Overview
+--------
 
-When accessing another users project (where :ref:`permissions <project-permissions>` have been granted by the project owner or for teachers viewing the students assignment, a **Call** button will show allowing Audio/Video calls and or real time chat.
+When viewing another user's project, a **Call** button will appear if your organization has enabled A/V calling. This feature allows you to:
 
+* Initiate audio/video calls
+* Engage in real-time chat
+* Collaborate directly with other users
 
 .. image:: /img/monitor_students/call.png
-   :alt: Audio Video
-   
-Hide A/V calls
---------------
+   :alt: Audio/Video call button
+   :align: center
 
-If you wish to disable A/V calls, organization owners can do this in the organization settings area. See :ref:`Hide A/V Calls <hideav>` for more information
+|
 
 .. _permissions:
 
-Permissions
------------
-
-Permission for your camera/microphone is required and your browser will prompt you to allow.Permission
-
-If permission has been denied, you can re enable in your browser
-
-Google Chrome:
-**************
-
-If you are using Google Chrome you can access your settings through the padlock icon in the top left of your screen, next to the URL of the page you are currently on.
-
-Click Site settings and make sure your camera and microphone both say Allow
-
-Firefox:
-********
-If you are using Firefox as your internet browser you can access your settings through the padlock icon in the address bar when visiting a site, then adjust the permissions for the microphone and camera.
-
-For more detailed instructions, visit the following link:
-
-https://support.mozilla.org/en-US/kb/site-permissions-panel
-
-
-Safari:
-*******
-If you are using Safari, you can access your browser settings by clicking Safari and then Preferences. 
-
-You will see a pop up box and can update your settings. Learn more about how to update the settings through the following link:
-
-https://support.apple.com/en-nz/guide/safari/ibrwe2159f50/mac
+Setting Up Permissions
+----------------------
+
+Camera and microphone access is required for A/V calls. Your browser will prompt you to allow access when you first use this feature.
+
+**If you previously denied permission**, follow the browser-specific instructions below to re-enable access.
+
+Enabling Permissions by Browser
+********************************
+
+.. list-table::
+   :widths: 20 80
+   :header-rows: 1
+
+   * - Browser
+     - Steps to Enable Permissions
+   * - **Google Chrome**
+     - 1. Click the lock or site controls icon next to the URL in the address bar
+       
+       2. Select **Site settings**
+       
+       3. Set both **Camera** and **Microphone** to **Allow**
+   * - **Firefox**
+     - 1. Click **Firefox** in the top menu bar
+       
+       2. Select **Preferences** (or **Settings** on Windows/Linux)
+       
+       3. Use the search bar to find "permissions"
+       
+       4. Adjust **Microphone** and **Camera** permissions to **Allow**
+       
+       5. `View detailed instructions for Firefox <https://support.mozilla.org/en-US/kb/site-permissions-panel>`_
+   * - **Safari**
+     - 1. Click **Safari** > **Settings** in the menu bar
+       
+       2. Navigate to the **Websites** tab
+       
+       3. Update **Camera** and **Microphone** settings
+       
+       4. `View detailed instructions for Safari <https://support.apple.com/en-nz/guide/safari/ibrwe2159f50/mac>`_
+
+
+
+Disabling A/V Calls (Organization Owners)
+------------------------------------------
+
+Organization owners can disable A/V calling for their entire organization through the organization settings. See :ref:`Hide A/V Calls <hideav>` for more information.
+
+.. note::
+   Only organization owners have permission to modify this setting.