Update url_whitelist.lua (#1793)

Url permission to read a steam user's profile

The examples below need this whitelist although I'm not sure if this is the correct way of adding it [[https://steamcommunity.com/profiles/]]

example:
"https://steamcommunity.com/profiles/"..ply:getSteamID64().."?xml=1" 

https://steamcommunity.com/profiles/76561198352212864/

lua/starfall/permissions/providers_sh/url_whitelist.lua

@@ -138,6 +138,7 @@ simple [[puu.sh]]
 ---  http://images.akamai.steamusercontent.com/ugc/367407720941694853/74457889F41A19BD66800C71663E9077FA440664/
 ---  https://steamuserimages-a.akamaihd.net/ugc/1475443067859980096/685F2468519E31C5C214959EC3AA0B0757B01E1B/
 ---  https://steamcdn-a.akamaihd.net/steamcommunity/public/images/apps/4000/dca12980667e32ab072d79f5dbe91884056a03a2.jpg
+simple [[https://steamcommunity.com/profiles/]]
 simple [[steamuserimages-a.akamaihd.net]]
 simple [[steamcdn-a.akamaihd.net]]
 pattern [[images%.[%w-_]+%.steamusercontent%.com/(.+)]]
@@ -246,4 +247,4 @@ simple [[autumn.revolt.chat]]
 -- Youtube Converter API
 --- Examples:
 ---  https://youtube.michaelbelgium.me/storage/5zrORMBb0-8.mp3
-simple [[youtube.michaelbelgium.me]]
+simple [[youtube.michaelbelgium.me]]