Add webfinger-capabilities to caddy for msrg.cc

caddy/config/conf.002.d/msrg.cc.conf

@@ -2,8 +2,19 @@ msrg.cc {
 	import default
 	header /.well-known/* Access-Control-Allow-Origin *
 
+	handle /.well-known/webfinger {
+		map {query.resource} {user} {
+			acct:tobias@msrg.cc serguzim
+			acct:serguzim@msrg.cc serguzim
+			acct:test@msrg.cc test
+		}
+		redir * /.well-known/webfinger/{user}.json
+	}
+
+	handle {
 		rewrite * /function/webpage-msrg-cc{uri}
 		reverse_proxy https://faas.serguzim.me {
 			header_up Host {http.reverse_proxy.upstream.hostport}
 		}
 	}
+}