Replace markdown-include dependency with mkdocs-include-markdown-plugin

docs/content/https/acme.md

@@ -1211,4 +1211,4 @@ If Let's Encrypt is not reachable, the following certificates will apply:
 !!! important
     For new (sub)domains which need Let's Encrypt authentication, the default Traefik certificate will be used until Traefik is restarted.
 
-{!traefik-for-business-applications.md!}
+{% include-markdown "includes/traefik-for-business-applications.md" %}

docs/content/https/overview.md

@@ -20,4 +20,4 @@ That is to say, how to obtain [TLS certificates](./tls.md#certificates-definitio
 either through a definition in the dynamic configuration, or through [Let's Encrypt](./acme.md) (ACME).
 And how to configure [TLS options](./tls.md#tls-options), and [certificates stores](./tls.md#certificates-stores).
 
-{!traefik-for-business-applications.md!}
+{% include-markdown "includes/traefik-for-business-applications.md" %}

docs/content/https/tls.md

@@ -587,4 +587,4 @@ spec:
   disableSessionTickets: true
 ```
 
-{!traefik-for-business-applications.md!}
+{% include-markdown "includes/traefik-for-business-applications.md" %}