add prospectus table

[binford2k]

Depends on devopsdays#15903 to enable markdown attributes.

[jyee]

Changing that on the core web repo is unlikely and would require more discussion with the web team.
Better to use html for expediency (also transposed this, since most sponsor displays are sponsor levels as columns):

<table class="table table-bordered table-hover table-striped table-responsive">
    <thead>
        <tr>
            <th>Level</th>
            <th>Platinum</th>
            <th>Gold</th>
            <th>Silver</th>
            <th>Happy Hour</th>
            <th>Lanyard</th>
            <th>Coffee</th>
            <th>Snacks</th>
        </tr>
    </thead>
    <tbody>
        <tr>
            <th>No. Avail</th>
            <td>1</td>
            <td>4</td>
            <td>12</td>
            <td>1</td>
            <td>1</td>
            <td>2</td>
            <td>2</td>
        </tr>
        <tr>
            <th>Cost</th>
            <td>$6000</td>
            <td>$3000</td>
            <td>$1500</td>
            <td>$4200</td>
            <td>$2000</td>
            <td>$1500</td>
            <td>$1500</td>
        </tr>
        <tr>
            <th>Passes</th>
            <td>6</td>
            <td>4</td>
            <td>2</td>
            <td>2 + 3HH</td>
            <td>1</td>
            <td>1</td>
            <td>1</td>
        </tr>
        <tr>
            <th>Pitch</th>
            <td>2min each day</td>
            <td>1min</td>
            <td>None</td>
            <td>At Happy Hour</td>
            <td>None</td>
            <td>None</td>
            <td>None</td>
        </tr>
        <tr>
            <th>Table</th>
            <td>8’ prime placement</td>
            <td>6’ own table</td>
            <td>Shared table</td>
            <td>None</td>
            <td>None</td>
            <td>None</td>
            <td>None</td>
        </tr>
        <tr>
            <th>Raffle</th>
            <td>Raffle at closing session</td>
            <td>Raffle at closing session</td>
            <td>Own raffle via shared table</td>
            <td>At Happy Hour</td>
            <td>None</td>
            <td>None</td>
            <td>None</td>
        </tr>
        <tr>
            <th>Other Benefits</th>
            <td>Top logo billing</td>
            <td></td>
            <td></td>
            <td></td>
            <td>Brand on all lanyards</td>
            <td>Signage by coffee table</td>
            <td>Signage by snacks</td>
        </tr>
    </tbody>
</table>