The Shopify theme Dawn allows you to display inventory status on product detail pages, but here's how to make it so that it also appears on collections (list pages).
How to display inventory status in collections with the Dawn theme

Setting step 1: Reuse part of the scheme of "main-product.liquid" in "main-collection-product-grid.liquid"

Setting step 2: Modify the code in "main-collection-product-grid.liquid"

Setup Step 3: Add a modified version of the code from "main-product.liquid" above the price in "card-product.liquid"

