add custom names to each server and move grafana to be accessed thru caddy instead of directly

Caddy/Caddyfile

@@ -1,11 +1,23 @@
 {
 	admin :2019
 
-	servers {
+	servers :80 {
+		name static_site
+		metrics
+	}
+
+	servers :80 {
+		name grafana
 		metrics
 	}
 }
 
-:80
-respond "Data\n"
+:80 {
+	root * /path/to/html
+	file_server
+}
+
+:3000 {
+	reverse_proxy grafana:3000
+}