the home site for me: also iteration 3 or 4 of my site

chore: tweak tool size and add keyboard navigation notice

Changed files
+4 -1
content
templates
shortcodes
+3
content/blog/2025-02-26_spherical-ray-diagrams.md
···
## the tool (🥁 roll please)
+
> this tool does support keyboard navigation btw ^-^
+
> `arrow keys` to move and `+` and `-` to zoom
+
{{ lensDiagram() }}
## the math
+1 -1
templates/shortcodes/lensDiagram.html
···
<div
id="rayTracer"
-
style="display: flex; flex-direction: column; min-height: 30rem"
+
style="display: flex; flex-direction: column; min-height: 40rem"
>
<div class="controls" style="display: flex; flex-direction: column">
<div style="display: flex; gap: 20px; align-items: center">