feat: added support for Montreal (ca-mon) in the DA (#64)

Co-authored-by: Conall Ó Cofaigh <[email protected]>

Author: kierramarie

ibm_catalog.json

@@ -75,6 +75,10 @@
                   "displayname": "Sao Paulo (br-sao)",
                   "value": "br-sao"
                 },
+                {
+                  "displayname": "Montreal (ca-mon)",
+                  "value": "ca-mon"
+                },
                 {
                   "displayname": "Toronto (ca-tor)",
                   "value": "ca-tor"