Add stub jobs table

src/storage/manager.cr

@@ -78,6 +78,8 @@ module Storage
           return VirtualStatsTable.new(self)
         when "current_issues"
           return VirtualCurrentIssuesTable.new(self)
+        when "jobs"
+          return VirtualJobsTable.new(self)
         else
           return nil
         end

src/storage/table/virtual_jobs_table.cr

@@ -0,0 +1,16 @@
+require "./virtual_table"
+
+module Storage
+  struct VirtualJobsTable < VirtualTable
+    def initialize(manager : Manager)
+      super("jobs", manager)
+    end
+
+    def get(key)
+      nil
+    end
+
+    def scan(&block : Hash(String, ReQL::Datum) ->)
+    end
+  end
+end