docs: bring README.md in line with Standard Readme

README.md

@@ -1,9 +1,8 @@
 # Zappier
 
-Metered API platform: per-endpoint pricing, customer types with multipliers and
-monthly credits, a usage ledger, Stripe metered billing, purchase-order
-invoicing, a company admin console, a self-service customer portal, and a
-Zapier integration.
+[![standard-readme compliant](https://img.shields.io/badge/readme%20style-standard-brightgreen.svg?style=flat-square)](https://github.com/RichardLitt/standard-readme)
+
+Metered API platform: per-endpoint pricing, customer types with multipliers and monthly credits, a usage ledger,...
 
 This is the **billing and user platform** (originally the standalone `zappier` git tree at `~/zappier`). Forgejo name: **zappier-edge**. It owns signup, TOTP, API keys, rate card, Stripe meter, PO invoices, admin users, and the customer portal. Verae middleware does not replace this.
 
@@ -140,3 +139,32 @@ To deploy it, create a Zapier developer account, run `zapier login`, then
 npm test                    # root API/service suite (jest, 165 tests)
 cd zapier-app && npm test   # Zapier integration suite (mocha, 4 tests)
 ```
+
+## Table of Contents
+
+- [Install](#install)
+- [Usage](#usage)
+- [Contributing](#contributing)
+- [License](#license)
+
+## Install
+
+```sh
+git clone ssh://git@git.georgelambert.org:2223/marchon/zappier-edge.git
+cd zappier-edge
+```
+
+## Usage
+
+```sh
+npm install
+npm start
+```
+
+## Contributing
+
+Questions: open an issue at https://git.georgelambert.org/marchon/zappier-edge/issues. Pull requests are accepted.
+
+## License
+
+UNLICENSED © George Lambert