Compiling and installing link has outdated instructions

Description

The link given in the readme here leads to outdated instructions.

`git clone git://github.com/libretro/libretro-super.git
cd libretro-super
SHALLOW_CLONE=1 ./libretro-fetch.sh

./retroarch-build.sh
NOCLEAN=1 ./libretro-build.sh

mkdir -p /ra/cores
cd retroarch
make DESTDIR=/ra install
cd .. #to libretro-super directory
./libretro-install.sh ~/ra/cores`

Expected behavior

I expected it to compile

Actual behavior

The github link is wrong.

There is no retroarch-build.sh

Nothing happens.

Steps to reproduce the bug

1. Go to https://github.com/libretro/RetroArch
2. Scroll down to Compiling and installing
3. Click the link labeled "[Libretro/RetroArch Documentation Center."
4. Click link labeled "For Developers"
5. Click link labeled "RetroArch Development"
6. Click link labeled "RetroArch Compilation Guides"
7. Click link labeled "Linux and BSD"
8. Click link labeled "Overview for Linux/BSD"
9. Use bash code from page:

`git clone git://github.com/libretro/libretro-super.git
cd libretro-super
SHALLOW_CLONE=1 ./libretro-fetch.sh

./retroarch-build.sh
NOCLEAN=1 ./libretro-build.sh

mkdir -p /ra/cores
cd retroarch
make DESTDIR=/ra install
cd .. #to libretro-super directory
./libretro-install.sh ~/ra/cores`

Version/Commit

• RetroArch: 1.10.3

Environment information

• OS: funtoo/gentoo
• Compiler: gcc

Start at the RetroArch README's “Compiling and installing” link and follow the referenced Linux/BSD compilation guide. Check the listed libretro-super commands against the current repository instructions, then update the outdated link and commands so the documented process reaches a successful compilation and installation.