create about page to describe the project

[sethvincent]

Initial text to include:

<h1>About boundaries.seattle.io</h1>
<p>Wondering if a point is inside a city park? Know your latitude and longitude but not sure which city council district you're in?</p>

<p>Want to know all the Seattle-related boundaries that a point is inside? boundaries.seattle.io can help with that.</p>

<h2>Data</h2>

<p>This project uses <a href="https://github.com/openseattle/seattle-boundaries">seattle-boundaries</a>, a collection of geojson boundaries for the city of Seattle.</p>

<h2>API</h2>

<p>This website has a corresponding API service that you can use in your Seattle-focused projects: <a href="https://boundaries-api.seattle.io/">https://boundaries-api.seattle.io/</a></p>

<p>The repository for the API server is here: <a href="https://github.com/seattleio/boundaries-api">https://github.com/seattleio/boundaries-api</a></p>

<p>You can Send a request like this:</p>

<pre><code>https://boundaries-api.seattle.io/boundaries?long=-122.345002&amp;lat=47.667044
</code></pre>