Refactored syntax highlighting shortcodes into markdown

content/docs/openbsd/install_from_linux.md

@@ -12,12 +12,12 @@ This article explains a simple method to install OpenBSD when all you have is a
 ## How to
 
 First login as root on the linux you want to reinstall as Openbsd then fetch the installer :
-{{< highlight sh >}}
+```sh
 curl https://cdn.openbsd.org/pub/OpenBSD/6.8/amd64/bsd.rd -o /bsd.rd
-{{< /highlight >}}
+```
 
 Then edit the loader configuration, in this example grub2 :
-{{< highlight sh >}}
+```sh
 echo '
 menuentry "OpenBSD" {
 	set root=(hd0,msdos1)
@@ -25,6 +25,6 @@ menuentry "OpenBSD" {
 }' >> /etc/grub.d/40_custom
 echo 'GRUB_TIMEOUT=60' >> /etc/default/grub
 grub2-mkconfig > /boot/grub2/grub.cfg
-{{< /highlight >}}
+```
 
 If you reboot now and connect your remote console you should be able to boot the OpenBSD installer.

content/docs/openbsd/pf.md

@@ -10,7 +10,7 @@ tags:
 
 The open ports list is refined depending on the usage obviously, and not all servers listen for wireguard... It is just a template :
 
-{{< highlight conf >}}
+```cfg
 vpns="{ wg0 }"
 
 table <myself>   const { self }
@@ -39,4 +39,4 @@ pass in on $vpns from <private> to <myself>
 block return in on ! lo0 proto tcp to port 6000:6010
 # Port build user does not need network
 block return out log proto {tcp udp} user _pbuild
-{{< /highlight >}}
+```

content/docs/openbsd/smtpd.md

@@ -9,7 +9,7 @@ tags:
 
 Here is my template for a simple smtp relay. The host names in the outbound action are to be customized obviously, and in my setups `yen` the relay destination is only reachable via wireguard. If not in such setup, smtps with authentication is to be configured :
 
-{{< highlight conf >}}
+```cfg
 table aliases file:/etc/mail/aliases
 
 listen on socket
@@ -20,13 +20,13 @@ action "outbound" relay host "smtp://yen" mail-from "root+phoenix@adyxax.org"
 
 match from local for local action "local_mail"
 match from local for any action "outbound"
-{{< /highlight >}}
+```
 
 ## Primary mx
 
 Here is my primary mx configuration as a sample :
 
-{{< highlight conf >}}
+```cfg
 pki adyxax.org cert "/etc/ssl/yen.adyxax.org.crt"
 pki adyxax.org key  "/etc/ssl/private/yen.adyxax.org.key"
 
@@ -59,7 +59,7 @@ match  from local   for local action "local_mail"
 
 match from any   auth  for any action "outbound"
 match from mail-from "root+phoenix@adyxax.org" for any action "outbound"  # if you need to relay emails from another machine to the internet like I do
-{{< /highlight >}}
+```
 
 ## Secondary mx