Changes to assets/README.md. All files

assets/README.md

new file mode 100644@@ -0,0 +1,11 @@+# About these files++In February 2021, the N-API project was renamed to Node-API.++In order to maintain links that module maintainers may have created to+these files, the badge files using the old file naming convention have been+retained. Moving forward, the “Node-API“ naming convention should be used+for new badge image files.++[Renaming n-api to something more appropriate and+descriptive](https://github.com/nodejs/abi-stable-node/issues/420)