add wildcard-cert function

fish/.config/fish/functions/wildcard-cert.fish

@@ -0,0 +1,10 @@
+function wildcard-cert
+	sudo certbot certonly \
+     --dns-cloudflare \
+     --dns-cloudflare-credentials /root/.secrets/cloudflare.ini \
+     --server https://acme-v02.api.letsencrypt.org/directory \
+     --preferred-challenge dns-01 \
+     --cert-name $argv[1] \
+     -d $argv[1] \
+     -d \*.$argv[1]
+end