Add in the data we have so far on AB's SHC impl

* Their key will eventually show up at https://skphr.prd.telushealthspace.com/.well-known/jwks.json
   however they appear to have misconfigured CloudFlare and that URL redirects to /home, which
   means none of the SHCs issued by AB to date can be validated :(

src/issuers.js

@@ -69,6 +69,14 @@ const issuers = [
         y: "7hVieFGuHJeaNRCxVgKeVpoxDJevytgoCxqVZ6cfcdk" },
     ]
   },
+  {
+	id: "ca.ab",
+	iss: "https://covidrecords.alberta.ca/smarthealth/issuer",
+	keys: [
+	  { kid: "JoO-sJHpheZboXdsUK4NtfulfvpiN1GlTdNnXN3XAnM",
+        alg: "ES256", kty: "EC", crv: "P-256", use: "sig" }
+	]
+  }
 ];
 
 module.exports = {