I've used WoW-Pro for years and in WoD, Legion and now BfA it's been awesome for just going on auto-pilot and working your way through a zone. It has 3 levels of depth you can set, so you can set it to just do 1) the main story, main points of interest and rare mobs and treasure that aren't far off the beaten path; 2) every quest with a more thorough dive into the side stuff; 3) absolutely everything.
Pick a simple goal or idea for your AddOn. It's often a good idea to just make an AddOn that only opens a window or prints a message to get started, especially when everything is new for you. After that works the way it should, and you have learned everything necessary to make an AddOn work at all, you can move on to adding one piece at a time toward your goals. Writting software in general is often a never ending process because you can always think of something new to add or improve.
Bartender permet de personnaliser directement vos barres d'actions ainsi que les éléments de l'interface de WoW. Il est par exemple possible de rendre certains boutons plus gros voire même de déplacer des pans entiers de l'interface. L'objectif est de vous permettre de personnaliser l'interface à votre convenance, en fonction des informations dont vous avez besoin pour jouer.