Added search of super identity (#16)

Added logic to search for a super identity in case that the user does
not have an identity.

If a super identity is found, this will be added to the array of address
to fetch an identity from.

This fixes #14

src/fellows.ts

@@ -97,9 +97,23 @@ export const fetchAllFellows = async (
 
       let data: FellowObject = { address: fellow.address, rank: fellow.rank };
 
-      // If the identity is null, we ignore it.
+      // If the identity is null, we check if there is a super identity.
       if (!fellowData) {
-        logger.debug("Identity is null. Skipping");
+        logger.debug("Identity is null. Checking for super identity");
+        const superIdentity = await relayApi.query.Identity.SuperOf.getValue(
+          fellow.address,
+        );
+        if (superIdentity) {
+          const [address] = superIdentity;
+          logger.debug(
+            `${fellow.address} has a super identity: ${address}. Adding it to the array`,
+          );
+
+          fellows.push({ address, rank: fellow.rank });
+        } else {
+          logger.debug("No super identity found. Skipping");
+        }
+
         continue;
       }