Lighting can be pretty hard to get right :) It's knowing where to put the lights, how many to use outside of the actual working lights in the scene, what intensity to set them at, if they need patterns on them, and also they look completely different in Eevee and Cycles (or at least the one I'm using in one of my current subprojects is XD).
Sometimes you need a lot more lights than you think you will. Along with any actual lightbulbs in the scene that you'd obviously add lights for like you've done here, sometimes you need a sun or moon lamp, and sometimes even that's not enough and you need area lights that cast colour and contribute to radiosity but not shadow to get the correct colour for the ambient light/atmosphere. Generally, it's a pain in the arse and will usually take some time to get right, so don't feel bad if it takes a while :)
Thanks for the support 😄