Tweaks - profile pic, extracting more templates, rel

I added the rel=me to the Mastodon link for verification
I added profile pics but haven't actually used them on the pages anywhere
I pulled in a lot of the CSS from the template so I could start to
modify it

sass/theme/light.scss

@@ -0,0 +1,11 @@
+:root {
+  --text-0: rgba(0, 0, 0, 87%);
+  --text-1: rgba(0, 0, 0, 66%);
+
+  --bg-0: #fff;
+  --bg-1: #f2f2f2;
+  --bg-2: #fefefe;
+
+  --primary-color: #ef5350;
+  --hover-color: white;
+}