Update Fedora build instructions in readme

git, make, gcc are pre-installed; qt-creator isn't necessary, qt5-qtbase-devel provides qmake-qt5; libusb is now libusbx; libmbedtls is actually mbedtls
This commit is contained in:
Internal Server Error - Gitea: Git with a cup of tea
500 Internal Server Error

Gitea Version: 1.28.0+dev-477-g8b6ad49a5f