docs: fix markdown lint issues in command docs

lib/http/auth.go

@@ -21,7 +21,8 @@ set a single username and password with the ` + "`--{{ .Prefix }}user` and `--{{
 
 Alternatively, you can have the reverse proxy manage authentication and use the
 username provided in the configured header with ` + "`--user-from-header`" + `  (e.g., ` + "`--{{ .Prefix }}--user-from-header=x-remote-user`" + `).
-Ensure the proxy is trusted and headers cannot be spoofed, as misconfiguration may lead to unauthorized access.
+Ensure the proxy is trusted and headers cannot be spoofed, as misconfiguration
+may lead to unauthorized access.
 
 If either of the above authentication methods is not configured and client
 certificates are required by the ` + "`--client-ca`" + ` flag passed to the server, the
@@ -33,9 +34,11 @@ authentication.  Bcrypt is recommended.
 
 To create an htpasswd file:
 
-    touch htpasswd
-    htpasswd -B htpasswd user
-    htpasswd -B htpasswd anotherUser
+` + "```sh" + `
+touch htpasswd
+htpasswd -B htpasswd user
+htpasswd -B htpasswd anotherUser
+` + "```" + `
 
 The password file can be updated while rclone is running.
 

lib/http/server.go

@@ -84,13 +84,16 @@ by ` + "`--{{ .Prefix }}addr`" + `).
 
 This allows rclone to be a socket-activated service.
 It can be configured with .socket and .service unit files as described in
-https://www.freedesktop.org/software/systemd/man/latest/systemd.socket.html
+<https://www.freedesktop.org/software/systemd/man/latest/systemd.socket.html>.
 
 Socket activation can be tested ad-hoc with the ` + "`systemd-socket-activate`" + `command
 
-       systemd-socket-activate -l 8000 -- rclone serve
+` + "```sh" + `
+systemd-socket-activate -l 8000 -- rclone serve
+` + "```" + `
 
 This will socket-activate rclone on the first connection to port 8000 over TCP.
+
 `
 	tmpl, err := template.New("server help").Parse(help)
 	if err != nil {

lib/http/template.go

@@ -42,9 +42,9 @@ to be used within the template to server pages:
 |-- .Size     | Size in Bytes of the entry. |
 |-- .ModTime  | The UTC timestamp of an entry. |
 
-The server also makes the following functions available so that they can be used within the
-template. These functions help extend the options for dynamic rendering of HTML. They can
-be used to render HTML based on specific conditions.
+The server also makes the following functions available so that they can be used
+within the template. These functions help extend the options for dynamic
+rendering of HTML. They can be used to render HTML based on specific conditions.
 
 | Function   | Description |
 | :---------- | :---------- |