Add vim nginx ft to nginx config files

conf/hosted-http-base.conf

@@ -1,3 +1,5 @@
+# vim: ft=nginx
+
 server {
     listen 80 default_server;
     server_name _;

conf/http-base.conf

@@ -1,3 +1,5 @@
+# vim: ft=nginx
+
 types_hash_max_size 2048;
 include /usr/local/nginx/conf/mime.types.default;
 

conf/nginx-nossl.conf

@@ -1,3 +1,5 @@
+# vim: ft=nginx
+
 include root-base.conf;
 
 http {

conf/nginx.conf

@@ -1,3 +1,5 @@
+# vim: ft=nginx
+
 include root-base.conf;
 
 http {
@@ -5,6 +7,8 @@ http {
 
     include hosted-http-base.conf;
 
+    include rate-limiting.conf;
+
     server {
         include server-base.conf;
 

conf/root-base.conf

@@ -1,3 +1,5 @@
+# vim: ft=nginx
+
 pid /tmp/nginx.pid;
 error_log /var/log/nginx/nginx.error.log;
 

conf/server-base.conf

@@ -1,3 +1,5 @@
+# vim: ft=nginx
+
 client_body_temp_path /var/log/nginx/client_body 1 2;
 server_name _;