Real text overview

[anastasia]

This PR adds Kate Brown's text to the Overview page and Home page (to be discussed). It also adds a citation component.

To add a citation in text:

<a className={"citation-pointer"}
     title="Anita Blake and Irene Donnelly, Anacostia Oral History Project: 16."}
     href={"#source-3"}>[3]</a>

This will look like this:

Blah blah blah.[3]

But really like this:

(when you hover over this link, the title will appear in a tooltip)

At the bottom of the page, add a section for citations, for instance:

<Col md={8}>
    <h2>Sources</h2>
    <Citation identifier={"source-3"}
        title={"Anita Blake and Irene Donnelly, Anacostia Oral History Project: 16."}
        link={"https://www.wbur.org/news/2021/07/08/greater-boston-black-families-net-worth"}
    />
</Col>

This will look like this:

Don't forget to import the Citation component into your page.

import Citation from "../../components/global/Citation";