added shell for codeblocks

docs/gentoo-desktop-setup/installation.md

@@ -48,7 +48,7 @@ root@host:~# chroot /mnt
 
 Before installing any software first edit `/etc/portage/make.conf` which acts as the main configuration file for portage. A Gentoo installation is highly personal so diverting from these settings is encouraged. Here's an example file:
 
-``` title="/etc/portage/make.conf"
+``` shell title="/etc/portage/make.conf"
 # Please consult /usr/share/portage/config/make.conf.example for a more
 # detailed example.
 COMMON_FLAGS="-march=native -O2 -pipe"
@@ -114,7 +114,7 @@ Then try running `vim` and it theory it should work!
 
 Simply add these lines to the systems `fstab`:
 
-``` title="/etc/fstab"
+``` shell title="/etc/fstab"
 rpool/root/gentoo       /   	zfs     rw,noatime,xattr,posixacl,casesensitive                 0 1
 rpool/root/gentoo/var   /var	zfs     rw,noatime,nosuid,nodev,xattr,posixacl,casesensitive    0 2
 /dev/disk/by-label/esp  /efi	vfat	defaults,nodev,nosuid,noexec,umask=0077                 0 2
@@ -132,7 +132,7 @@ root@chroot:~# emerge -av sys-libs/timezone-data
 
 Select the correct timezone with:
 
-``` title="/etc/env.d/00local"
+``` shell title="/etc/env.d/00local"
 TZ="/usr/share/zoneinfo/<region>/<city>"
 ```
 
@@ -160,7 +160,7 @@ root@chroot:~# emerge -av sys-apps/musl-locales
 
 And to allow the system to know where the locales are located:
 
-``` title="/etc/env.d/01musl_locales"
+``` shell title="/etc/env.d/01musl_locales"
 MUSL_LOCPATH="/usr/share/i18n/locales/musl"
 ```
 
@@ -306,7 +306,7 @@ sys-kernel/linux-firmware linux-fw-redistributable @BINARY-REDISTRIBUTABLE
 
 Then to allow `zlevis` to unlock the root pool it will need to be added to the initramfs. Enable the `zlevis` module for dracut: 
 
-``` title="/etc/dracut.conf.d/zlevis.conf"
+``` shell title="/etc/dracut.conf.d/zlevis.conf"
 nofsck="yes"
 add_dracutmodules+=" zlevis "
 ```