Given you know some coding for websites, you have some skills in coding. Having said that, I would recommend you first go through the Pine Script Basic Course which will ground you in how Pine Script works. Once you have completed the Basics course, I would highly recommend doing the Mastery course as it will take your skills to the next level.
For myself I can highly recommend both the Basics and Mastery course as I have just started trading a profitable script that I modified based on one of the many videos I watched in the Mastery course. Matthew has laid out so many useful trading principles, candlestick patterns, indicators and strategies that can be copied and used in your own scripts.