fix: add options to the region input for the DA (#62)

Author: kierramarie

ibm_catalog.json

@@ -190,7 +190,53 @@
               "key": "container_registry_namespace"
             },
             {
-              "key": "region"
+              "key": "region",
+              "options": [
+                {
+                  "displayname": "Sydney (au-syd)",
+                  "value": "au-syd"
+                },
+                {
+                  "displayname": "Osaka (jp-osa)",
+                  "value": "jp-osa"
+                },
+                {
+                  "displayname": "Tokyo (jp-tok)",
+                  "value": "jp-tok"
+                },
+                {
+                  "displayname": "Frankfurt (eu-de)",
+                  "value": "eu-de"
+                },
+                {
+                  "displayname": "London (eu-gb)",
+                  "value": "eu-gb"
+                },
+                {
+                  "displayname": "Madrid (eu-es)",
+                  "value": "eu-es"
+                },
+                {
+                  "displayname": "Dallas (us-south)",
+                  "value": "us-south"
+                },
+                {
+                  "displayname": "Washington (us-east)",
+                  "value": "us-east"
+                },
+                {
+                  "displayname": "Montreal (ca-mon)",
+                  "value": "ca-mon"
+                },
+                {
+                  "displayname": "Toronto (ca-tor)",
+                  "value": "ca-tor"
+                },
+                {
+                  "displayname": "Sao Paolo (br-sao)",
+                  "value": "br-sao"
+                }
+              ]
             },
             {
               "key": "use_global_container_registry_location"