Download links of Tor mirrors should not point to torproject.org domain

The download links from mirrors should not point to torproject.org domain but instead to the original mirror server.

Provides Tor Browser download URL: https://www.torproject.org/dist/torbrowser/8.5.4/torbrowser-install-win64-8.5.4_en-US.exe
Should provide the following Tor Browser download URL: https://mirror.oldsql.cc/tor/dist/torbrowser/8.5.4/torbrowser-install-win64-8.5.4_en-US.exe

To upload designs, you'll need to enable LFS and have an admin enable hashed storage. More information