Shorten blurb in main page hero

[bernhold]

The current blurb is too long. We need to be more concise.

[bernhold]

One idea:

Truncate the hero text to

We advocate for a culture that enables software quality as a critical component of quality science.

And use the full aligning narrative at the beginning of the overview/approach page (https://ideas-productivity.org/overview/approach.html)

[bernhold]

We have a solution in 7b447b491937cd829c5ea0f555cdc010765260c0, though Matt might not like it. We'll worry about that later, when he's back under contract.