Add notes on browser support

Author: axelrindle

README.md

@@ -37,6 +37,13 @@ This module may be require'd (CommonJS) or imported (ESM).
 
 I do not plan on making this an ESM only module in the near future.
 
+## Can I use this in the browser?
+
+**Yes**, starting with version **3.1.0**.
+
+[Go to the docs](https://axelrindle.github.io/github-version-checker/docs/next/browser-support/)
+for instructions.
+
 ## Install
 
 ```bash

docs/docs/api.md

@@ -1,5 +1,5 @@
 ---
-sidebar_position: 3
+sidebar_position: 4
 sidebar_label: 🧩 API
 ---
 

docs/docs/browser-support.md

@@ -0,0 +1,13 @@
+---
+sidebar_position: 3
+sidebar_label: 🌐 Browser Support
+---
+
+# Browser Support
+
+To use this in the browser, install `@version-checker/browser` instead of `@version-checker/core`.
+
+Subsequently, import `@version-checker/browser` instead of `@version-checker/core`.
+
+**Note**: This is currently **EXPERIMENTAL**, as it depends on `@octokit/core^5.0.0-beta.4^` and the
+[Node.js Fetch API](https://nodejs.org/dist/latest-v18.x/docs/api/globals.html#fetch).