Add instances Odyssey346 and ~vern

Also document required options.

docs.scrbl

@@ -33,6 +33,8 @@
               `((,(literal "Hoster") #f ,(literal "Link"))
                 ("Cadence" "https://cadence.moe" "https://breezewiki.com")
                 ("PussTheCat" "https://pussthecat.org" "https://breezewiki.pussthecat.org")
+                ("Odyssey346" "https://odyssey346.dev/" "https://bw.odyssey346.dev/")
+                ("~vern" "https://vern.cc/" "https://bw.vern.cc/")
                 ))]
 
 @subsection{Tools}
@@ -112,9 +114,13 @@ Now you can start BreezeWiki using one of the following methods.
 
 To be able to start up BreezeWiki faster, use @code{raco make dist.rkt} to byte-compile individual files.
 
+@subsection{What next?}
+
+If you're running BreezeWiki in production (i.e. not for development) then check out the @secref["Required options"] section of the configuration page.
+
 @; -----------------------------------------------------------------------------
 
-@section{Configuration}
+@section[#:tag "Configuration"]{Configuration}
 
 @subsection{File}
 
@@ -133,6 +139,14 @@ debug = false
 port = 10416
 }
 
+@subsection[#:tag "Required options"]{Required options}
+
+No options are strictly required, but some are highly recommended, depending on where you're running BreezeWiki.
+
+When running for local development, @code{debug = true} is recommended.
+
+When running in production, @code{canonical_origin} is highly recommended.
+
 @subsection{Format}
 
 @itemlist[