What does it mean that a girl I like very much sent me a text message saying that she hopes everything will be fine with me? Is there hope?

It's hard to say. It depends on the actual situation. If she has been willing to contact you in the future, it means that she is willing to develop with you and has hope.

If she doesn't pay much attention to you when she finishes this sentence, it will be a farewell speech with little hope.

Good luck!