Added more detail on how to get DataSource's
Added more detail on how to get DataSource's

egonw/BridgeDb,egonw/BridgeDb,egonw/BridgeDb,bridgedb/BridgeDb,egonw/BridgeDb,bridgedb/BridgeDb,egonw/BridgeDb,bridgedb/BridgeDb,bridgedb/BridgeDb,bridgedb/BridgeDb