Updated Setup (markdown)

Setup.md

@@ -202,7 +202,7 @@ You will have to create your own Caddy image that includes the `caddy2-filter`.
 
 `Dockerfile`:
 
-```
+```docker
 FROM caddy:2.0.0-builder AS builder
 
 RUN caddy-builder \
@@ -232,7 +232,7 @@ You can confirm the module is available by using `xcaddy list-modules`.
 
 Almost like Caddy v1, here is an example `filter` we need to include in the all the services we want themed:
 
-```
+```nginx
 filter {
 	content_type text/html.*
 	search_pattern </head>
@@ -242,7 +242,7 @@ filter {
 
 With `caddy2-filter`, we need to also add this option in the global option block:
 
-```
+```nginx
 {
 	order filter after encode
 }
@@ -253,7 +253,7 @@ And if you're using a reverse proxy, you also need to include `header_up -Accept
 <details>
 <summary>Full example of a Caddyfile</summary>
 
-```
+```nginx
 {
 	order filter after encode
 }
@@ -275,7 +275,7 @@ radarr.example.com {
 
 > :point_right: If your service requires you to ignore a header, use the `header_down` subdirective in the `reverse_proxy` directive. For example, qBittorrent usage would look like this:
 
-```
+```nginx
 reverse_proxy 127.0.0.1:8080 {
 	header_up -Accept-Encoding
 	header_down -x-webkit-csp
@@ -284,7 +284,7 @@ reverse_proxy 127.0.0.1:8080 {
 ```
 #### Subfolder/directory example
 
-```caddy
+```nginx
     route /sonarr/* {
         filter {
             content_type text/html.*