README: Update ssh config instructions

README.md

@@ -52,10 +52,12 @@ time of writing, I'll try to keep this little tutorial up to date)!
    yet. If you find that this step is unnecessary and everything works without
    it, let me know :)
 
-        Host dev.angeley.es
+        Host dev.openheart.work
             ControlMaster no
             ForwardAgent no
             ForwardX11 no
+            KexAlgorithms +diffie-hellman-group1-sha1
+            Ciphers aes128-ctr,aes192-ctr,aes256-ctr,aes128-cbc,3des-cbc
 
 Once you create a repository, it is possible that initially, trying to look at
 it will give you 404. It should be okay though once you push some commit into