hide .git and .gitignore, and automatically fallback to index.html

roles/share_file_web/templates/nginx/sites-available/sharing_site

@@ -35,9 +35,13 @@ server {
 	access_log /var/log/nginx/{{ item.from }}.log;
 	error_log /var/log/nginx/{{ item.from }}_error.log;
 
+    location ~ /\.git {
+        return 404;
+    }
+
 	location / {
 		root {{ item.folder }};
-		try_files $uri $uri.html 404;
+		try_files $uri $uri.html $uri/index.html 404;
 	}
 
 	include /etc/nginx/mime.types;