Unhappy HELP! TWRP - accidentally formatted Internal Storage - No OS installed on huawei y300

noob).....So i was running TWRP with CM11 on myHuawei Y300-0100 B191, and accidentally flashed the wrong Google app zip with goo manager an ended up formatting my rom , internal storage and right now i have no OS installed....the only thing that's running is team win recovery project & pretty much don't know where to go from there. Also i can access my phone still thro the external sd card still. A little insight would be nice so i know what my next move should be.

I tried looking for the B191 original firmware but cant find it anywhere.