Datings and making friends is hard even for fluent people. That also means people are as scared of meeting you. So try not to be negative about your speech, being negative is going to turn off people more than stuttering. You can be upfront or joke about it. Besides that general tips apply; accentuate your best features, wear clean clothes that fight, keep up on grooming, go to events for things you like, and expect there to be some trial and error. That last parts crucial because not everyone you meet is gonna be your friend or partner but putting that pressure on relationshps can hurt them before they start.