Added rule regarding demo upload location, and clarified video upload location marginally

Author: betsruner

content/05_proof-standards.md

@@ -6,8 +6,9 @@ categories will require demo proof for runs above a certain rank. Demos are gene
 encouraged over videos as they have several tangible advantages.
 
 Videos submitted as proof must have an accepted timer visible on the screen. They must
-always be submitted as a single continuous video, and must not have any severe quality
-or framerate issues which impact viewability.
+always be submitted as a single continuous video, they must not have any severe quality
+or framerate issues which impact viewability, and they must not be uploaded to any
+suspicious websites.
 
 Demos must be submitted for every segment of the run, in the correct order, with none
 missing. You must start recording demos before the run begins where possible, or
@@ -16,6 +17,12 @@ On runs with multiple segments, demos must be recorded across loads - this is no
 expected to be achieved via the `sar_autorecord` command, but categories may define
 different methods.
 
+The only websites allowed for uploading demos are Google Drive, and Mediafire.
+If you can't meet this requirement due to restrictions in your country then please
+request a waiver from a Moderator. We do not want anyone to have to make a purchase
+in order to submit their speedrun. Waivers will only be given out to those who cannot
+access these sites without an additional cost.
+
 For any category other than Challenge Mode, any custom `.vpk` files active
 during the run must be included in the run submission. They can be uploaded to a
 site such as Google Drive along with the demo files.