[PATCH] Documentation: more section headings on the front page

[Valentin Gagarin <valentin@gagarin.work>]

The text covers different aspects, which appeared lumped together on one
long page.  I suspect many quick readers would bounce off that or
inadvertently skip parts that may actually be interesting for them.
---
 Documentation/index.html | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/Documentation/index.html b/Documentation/index.html
index 6d6faf7..acfc33b 100644
--- a/Documentation/index.html
+++ b/Documentation/index.html
@@ -27,6 +27,8 @@ remaining isolated, meaning that the system can be backed up and
 managed as a whole, rather than mixed up in several dozen virtual
 machines.
 
+<h2>Design philosophy</h2>
+
 <p>
 Spectrum is an upstream-first project.  Wherever possible, we aim to
 participate in cross-project collaboration to move the entire free
@@ -43,6 +45,8 @@ are interested
 in <a href="/doc/contributing/communication.html">participating</a>,
 we'd love to have you.
 
+<h2>Funding</h2>
+
 <p>
 Spectrum is mostly funded through individual donations
 on <a href="https://github.com/sponsors/alyssais">GitHub Sponsors</a>
-- 
2.54.0