readme update

README.md

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 # envoy.com Webflow Website Scripts
+
+> :warning: **this repo is public**: Do not include any sensitive code here.
+
+## Intro
+
 For hosting public scripts used on envoy.com webflow website
+
+These scripts are used for various purposes including but not limited to:
+
+- Handling what happens after form submissions (/utils/form-handlers.js)
+- Table of contents on the blog
+- Marketo CSS styles
+- Calculator component on Virtual Front Desk page
+- Trigger Chili Piper booking tool on events template pages
+
+## Setup
+
+The repo has a Github action (auto-tag.yml) to automatically manage versions.
+
+Versions are tracked in the .version file as an auto-incrementing integer. Each time you push code, the version will update by 1.
+
+Every time you push to the main branch, the Github action creates a tag.
+
+With the tag, you can create new releases and use jsdelivr to serve the scripts.
+
+for example, to use the form-handlers.js script you can use the following URL:
+
+```
+https://cdn.jsdelivr.net/gh/envoy/webflow-website@<tag>/src/utils/form-handlers.js
+```
+
+In Webflow site-wide custom code settings, you'll see this:
+
+```
+<script defer src='https://cdn.jsdelivr.net/gh/envoy/webflow-website@30/src/utils/form-handlers.js' type="text/javascript"></script>
+```
+
+It's a minimal approach to version control and serving scripts to the website.