Update README.md

Author: sybrew

README.md

@@ -1,5 +1,28 @@
 # TSF Snippets
 
-A collection of well-maintained snippets for The SEO Framework.
+A collection of well-maintained snippets for [The SEO Framework](https://theseoframework.com/) WordPress plugin.
 
-To create a ZIP file for any of these snippets, use `https://dl.theseoframework.com/get/snippet/`.
+## How to download a snippet
+
+We created a snippet-to-ZIP plugin service. 
+
+Use the endpoint `https://dl.theseoframework.com/get/snippet/` or `https://tsf.fyi/snippet/get/` to obtain a snippet plugin file.<br>
+Append the folder and filename to the URL to obtain the snippet.
+
+### Example
+
+If we add `schema/tsf-image-graph` to the URL, you'll obtain a ZIP file of [schema/tsf-image-graph.php](https://github.com/sybrew/tsf-snippets/blob/main/schema/tsf-image-graph.php).<br>
+Try it: https://tsf.fyi/snippet/get/schema/tsf-image-graph.
+
+### Files may be outdated
+
+Our snippet-to-ZIP plugin service creates a new caching hash every 4 hours. So, obtaining the latest version of a snippet can take up to 4 hours.
+
+## How to install a snippet
+
+1. Download the snippet ZIP file.
+1. Log in to your WordPress Dashboard.
+1. Go to "Plugins > Add New."
+1. Click "Upload Plugin" at the top.
+1. Upload the snippet ZIP file you just downloaded.
+1. You can now activate the snippet plugin. Enjoy :)