Update readthedocs.org for limitations on playing mp4s in the EdX video player

Description

On some versions of FireFox there is an error when trying to view an mp4 loaded up on AWS from with the EdX video player.
The error on the screen is:
No playable video sources found.
The error in Firebug is:
HTTP "Content-Type" of "video/mp4" is not supported.
This apparently is a limitation of FF and so readthedocs should be updated with this limitation.

Steps to Reproduce

Load an mp4 up on AWS
Create an EdX video player component and link the mp4 to it
Try to play the video in Studio or LMS

Current Behavior

None

Expected Behavior

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Reason for Variance

None

Release Notes

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User Impact Summary

None

Status

Assignee

Alison Hodges

Reporter

Adam Palay

Labels

Reach

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Impact

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Platform Area

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Customer

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Partner Manager

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URL

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Contributor Name

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Groups with Read-Only Access

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Actual Points

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Category of Work

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Platform Map Area (Levels 1 & 2)

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Platform Map Area (Levels 3 & 4)

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Story Points

5

Epic Link

Fix versions

Priority

CAT-1
Configure