Add testimonial section

[angela-tran]

This is similar to the testimonial section from the /about page.

compiler.la/src/about.html

Lines 88 to 98 in eeeb1ff

	<div class="row">
	<div class="container my-5 py-5">
	<div class="offset-lg-2 col-lg-8 mt-md-4 text-center">
	<span class="text-dark pill border-0 d-inline-block px-0 pb-4 mb-3">Testimonial</span>
	</div>
	<div class="offset-lg-2 col-lg-8 mb-md-4 text-center">
	<h2 class="text-dark">Compiler is a world-class team and an excellent choice for software development services.</h2>
	<h3 class="fs-6 fw-normal sans-serif text-dark d-block mt-3">—Jeremy Dalton, VP Mobility Xentrans and Technical Project Manager for Cal-ITP</h3>
	</div>
	</div>
	</div>

Screenshot of what's in scope: