Re-add api.conf.j2 in right directory (#130)

* Add api.conf.j2

Author: alessfg

templates/http/api.conf.j2

@@ -0,0 +1,17 @@
+{{ ansible_managed | comment }}
+
+server {
+    listen {{ nginx_rest_api_port }};
+    location /api {
+{% if nginx_rest_api_write %}
+        api write=on;
+{% else %}
+        api;
+{% endif %}
+    }
+{% if nginx_rest_api_dashboard %}
+    location = /dashboard.html {
+        root /usr/share/nginx/html;
+    }
+{% endif %}
+}