I am also very new to cycling, but it sounds like we have the same build, so I thought I would pass on one piece of advice that was very helpful to me when looking for my bike. I was looking at a lot of women's specific designed bikes. I assumed they would be more comfortable for me, until I went to a bike shop, they took my measurements, and it turned out that my inseam to torso ratio meant that wsd bikes would not fit me properly. So whatever you get, make sure you get fitted properly!
"For God did not give us a spirit of timidity but a spirit of power, of love and of self discipline." 2 Timothy 1:7