add caddyfile

conf/Caddyfile

@@ -0,0 +1,18 @@
+www.sirian.me, sirian.me {
+  reverse_proxy nginx:80
+}
+
+jf.sirian.me {
+  reverse_proxy 172.16.0.2:8096
+}
+
+git.sirian.me {
+  reverse_proxy gitea:3000
+}
+
+www.ahokas.me, ahokas.dev {
+  root * /srv/portfolio
+  file_server
+  try_files {uri} {uri}/index.html /404.html
+
+}