Very nice! I'm glad to see someone else is doing this. I have a one gallon bowl with a betta and some plants. I've had it up for about a month longer than you, and it is doing great. I've seen too many people wreck on this concept saying that this is not suitable for fish. I think the fact that people like you and me maintain the tank with live plants and water changes makes these small habitats more suitable than a cup on a shelf in the store. I know that betta is super happy, and I'm sure your shrimp are as well.
Nice work!! Keep us posted.