Chris Bongers.. you won't believe how similar our processes are and our timelines match closely with respect to when we started writing... I also started writing in March... I've not written 200 articles of course, but somewhere around 35 I think...
But, the process is very similar. I also maintain a blog ideas spreadsheet in Notion and I use Grammarly for spell check, overall grammar, etc. While I really want to write more articles, I'm always super hard-pressed for time. But, I'm going to take inspiration from your post and try to write at least 2 posts per week.. and then slowly increase it to 3 posts...
I have recently been contacted by Educative.io based on my blog articles, to create a course for them on ES6 & Webpack. It's still under the early stages of discussion, but, I'll be super happy if the opportunity materializes... fingers-crossed :-)