Updated a lot of stuffs

+ Added comments for whitelist
+ Added automatic cert pick for multi-host certs (SNI)
+ Renamed .crt to .pem for cert store
+ Added best-fit selection for wildcard matching rules
+ Added x-proxy-by header
+ Added X-real-Ip header
+ Added Development Mode (Cache-Control: no-store)
+ Updated utm timeout to 10 seconds instead of 90

src/mod/acme/acme.go

@@ -163,7 +163,7 @@ func (a *ACMEHandler) ObtainCert(domains []string, certificateName string, email
 
 	// Each certificate comes back with the cert bytes, the bytes of the client's
 	// private key, and a certificate URL.
-	err = os.WriteFile("./conf/certs/"+certificateName+".crt", certificates.Certificate, 0777)
+	err = os.WriteFile("./conf/certs/"+certificateName+".pem", certificates.Certificate, 0777)
 	if err != nil {
 		log.Println(err)
 		return false, err