Reorganise source files into src and web

Use a more traditional source code layout with the code located in the
src/ dir and static web content in the web/ dir, while the other places
are for data not related to code or content.

web/style.css

@@ -0,0 +1,97 @@
+/* CSS Reset based on https://piccalil.li/blog/a-more-modern-css-reset/ */
+*,
+*::before,
+*::after {
+	box-sizing: border-box;
+	/* Kill all default margins and paddings */
+	margin: 0;
+	padding: 0;
+}
+
+html {
+	-moz-text-size-adjust: none;
+	-webkit-text-size-adjust: none;
+	text-size-adjust: none;
+}
+
+h1, h2, h3, h4, button, input, label {
+	line-height: 1.1;
+}
+
+img, svg, picture  {
+	max-width: 100%;
+	display: block;
+}
+
+input, button, textarea, select {
+	font-family: inherit;
+	font-size: inherit;
+}
+
+textarea:not([rows]) {
+	min-height: 10em;
+}
+
+:target {
+	scroll-margin-block: 2.5em;
+}
+
+/* Overall styling */
+html {
+	color-scheme: light dark;
+	font-family: sans-serif;
+	scrollbar-gutter: stable;
+}
+
+hgroup h1 {
+	margin-bottom: 0.1em;
+}
+hgroup p {
+	font-style: italic;
+	margin-bottom: 1em;
+}
+
+h1, h2, h3, h4 {
+	margin-block-start: 1.25em;
+	margin-block-end: 0.5em;
+}
+
+:is(p, ol, ul) + :is(p, ol, ul) {
+	padding-block-start: 1em;
+}
+
+ol, ul {
+	padding-inline-start: 1.25em;
+}
+
+/* Base Page Layout */
+body {
+	max-width: 50rem;
+	padding: 0;
+	margin-block: 0;
+	margin-inline: auto;
+}
+
+.header {
+	padding-block: 1em;
+}
+
+.hero {
+	height: 30em;
+	background-color: grey;
+}
+
+/* index */
+.author {
+	display: grid;
+	grid-template-columns: auto 1fr;
+	align-items: center;
+	gap: 1em;
+	margin-block: 1em;
+}
+.author h1 {
+	margin-block-start: 0;
+}
+.author p {
+	margin-block-end: 0;
+}