Merge branch 'affiliate-program' of https://gitlab.com/CIEFWorldwideSdnBhd/exchange-2.0 into vapor/development

# Conflicts:
#	routes/api.php

app/Models/User.php

@@ -121,4 +121,14 @@ class User extends AbstractModel implements
     {
         return $this->morphMany(KeyValuePair::class, 'owner');
     }
+
+    /**
+     * @return BelongsToMany
+     */
+    public function affiliates(): BelongsToMany
+    {
+        return $this->belongsToMany(Affiliate::class, 'user_affiliates', 'user_id', 'affiliate_id')
+            ->withPivot('clicked_at', 'registered_at')
+            ->withTimestamps();
+    }
 }