Thank you all for your very helpful replies!
I learned a lot in the last 48 hours just by experimenting with the solutions you guys provided.
My field of work is not coding as you surely figured out, but I'm a quick learner. With very minimal knowledge I already managed to create a few ePub bike trip itineraries with imbedded maps and text, providing me with an 8" screen strapped to my handlebar that uses almost no power and works in full sunlight (e-ink screens are just amazing).
Regarding my post and your replies, I will up my html/CSS game in a more structured manner (quick online course) and definitely watch the videos recommended by Tex2002an. Thanks to theducks and Brett Merkey for providing two avenues ("p class" and "text file import") that I tested over and over and allowed me to gain valuable practice and understanding of some fundamentals.
For now, and for my particular situation, here's what I ended up doing:
Right-
- click on the ".txt" file that contains my text and select "open with Calibre"
- In Calibre, convert the book to ePub
- Open the book in Calibre's Editor
- Adjust title and other metadata to my liking
- Upload
to my Kobo Forma
I realize now that Calibre's conversion tool is a pretty powerful piece of software.
Everyone who replied in this thread contributed in helping me advance my understanding of HTML and of Calibre's more advanced functionalities.
Thank you all.