add make based caddy directory

caddy/Makefile

@@ -0,0 +1,15 @@
+.PHONY: all clean
+
+MC_HOME?=/home/andrew
+
+all:
+	docker run \
+		--detach \
+		--restart always \
+		--name caddy \
+		--publish 8088:80 \
+		--volume $(MC_HOME)/overviewer_leaflet/:/var/www/html \
+		zzrot/alpine-caddy
+
+clean:
+	docker ps -a | grep caddy && docker rm -f -v caddy || true