add search-url parameter to init-db function in nera package.

search-url is part of the site-settings class. It is used to help tell the
system which URL to use for the Meilisearch instance this website's search
features are utilising/calling out to.

src/nera.lisp

@@ -57,8 +57,8 @@
 (defun init-db (request)
   "Creates the database and creates Admin. in `USER' table."
   (destructuring-bind
-      (&key site-name allow-sign-up show-site-logo username display-name password
-       &allow-other-keys)
+      (&key site-name allow-sign-up show-site-logo username display-name
+         password search-url &allow-other-keys)
       (utils:request-params request)
     (with-connection (db)
       ;; Add to the list to add more tables.
@@ -70,6 +70,7 @@
 		       :administrator +true+)
       (mito:create-dao 'site-settings
                        :site-name site-name
+                       :search-url search-url
 		       :enable-sign-up (utils:checkbox-to-bool allow-sign-up)
                        :enable-site-logo (utils:checkbox-to-bool show-site-logo))
       (mito:create-dao 'page