Update README.md

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@ -4,23 +4,28 @@ Embed a mastodon feed in your blog et cetera.
Preview (note: domain name incoming): https://mastofeed.herokuapp.com/
## Usage guide
## User guide
The homepage has a tool for generating iframe code for you, with a sensible `sandbox` attribute. The feeds fit comfortably in a 400px wide area.
## API
### GET `/api/feed?url=${url}`
### GET `/api/feed`
> example: `/api/feed/url=https%3A%2F%2Foctodon.social%2Fusers%2Ffenwick67.atom`
> example: `/api/feed?url=https%3A%2F%2Foctodon.social%2Fusers%2Ffenwick67.atom&scale=90&theme=light`
Returns a html page which displays a mastodon feed for an atom feed URL. Note that URLs must be URI encoded (i.e. `encodeURIComponent('https://octodon.social/users/fenwick67.atom')` ).
Mastodon Atom feed URLs follow this convention:
Querystring options:
`https://${instance}/users/${username}.atom`
## Installation
| option | required | description |
| ------ | -------- | ----------- |
| `url` | **yes** | Mastodon Atom feed URL |
| `style` | no | either `dark` or `light`, to select the UI theme (default is `dark`). |
| `size` | no | the scale of the UI in percent. |
## Server Installation
This is a straightforward node project with zero databases or anything, you should just be able to run `npm install` and then `npm start` to get up and running. Set your `PORT` environment variable to change the port it listens on.