Removed the duplicate extension "js" warning from the NGINX configuration. Fixed #1

Author: Adriano Cataluddi

admin_manual/installation/nginx-root.conf.sample

@@ -86,7 +86,7 @@ server {
     # only for Nextcloud like below:
     include mime.types;
     types {
-        text/javascript js mjs;
+        text/javascript mjs;
     }
 
     # Specify how to handle directories -- specifying `/index.php$request_uri`

admin_manual/installation/nginx-subdir.conf.sample

@@ -53,7 +53,7 @@ server {
     # only for Nextcloud like below:
     include mime.types;
     types {
-        text/javascript js mjs;
+        text/javascript mjs;
     }
 
     location = /robots.txt {