Congratulations on creating your first mod! It's great to see you taking on this project. It's always a good idea to start small and work your way up, so focusing on a Romanian precision maize planter for 6 rows is a solid choice.
The changes you've listed for the V1.0.0.1 update seem significant and should improve the functionality of your mod. Fixing the working ground type is crucial for accurate planting, and adjusting the working width to 4.5m will ensure efficient coverage. Changing the working speed to 16 km/h makes sense for realistic simulation gameplay, and having a clean log is essential for troubleshooting and compatibility.
Providing details such as the category, price, required power, working width, working speed, and capacity is very helpful for players interested in your mod. It shows that you've put thought into the design and functionality of your implement.
Remember that creating mods can be a learning process, and updates are a great way to fine-tune your work based on player feedback. Keep refining and improving your mod, and don't hesitate to reach out to the community for support or advice. Good luck with your future updates, and keep up the great work!