This members-only tutorial provides the steps to add left and right SVG icons that link to previous post and next post respectively on single posts in WordPress when using Oxygen.
If you want to show text titles of the posts, follow this tutorial instead.
Step 1
Edit your Oxygen template that applies to single blog posts.
Step 2
Add a Section where you want the previous and next post links to appear.
Add a Columns element with 50 50 column layout. Assign a class of say, previous-next-posts.
Add a Code Block element in the left column.
PHP & HTML: