Installs `config.conf` to `/usr/etc/`, rather than to `/etc`.

[ImperatorStorm]

General description of bug:

• What happened: ninja install installs config.conf to ${DESTDIR}/usr/etc
• What should happen: ninja install installs config.conf to ${DESTDIR}/etc
• Did it work in an older version: Yes
• Where did you get the binary: Built from source
• Does this issue still occurs in the latest dev build? Yes

Often helpful information:

Output of fastfetch --version:

fastfetch 1.12.2-280 (x86_64)

Build commands:

cmake -B build -DCMAKE_BUILD_TYPE='RelWithDebInfo' -G Ninja
ninja -C build -j12
ninja -C build install

[CarterLi]

Why?

[ImperatorStorm]

The Filesystem Hierarchy Standard requires that config files go in /etc. This is generally adhered to by most major Linux distributions