initial public commit

public/demo/theme-toggle.js

@@ -0,0 +1,29 @@
+document.addEventListener("DOMContentLoaded", () => {
+	const toggle = document.createElement("button");
+
+	toggle.classList.add("themeToggle-button");
+	toggle.setAttribute("id", "themeToggle-button");
+
+	toggle.addEventListener("click", () => {
+		document.body.classList.toggle("invertedTheme");
+	});
+
+	toggle.innerHTML = `
+        <svg
+            xmlns="http://www.w3.org/2000/svg"
+            aria-hidden="true"
+            width="1em"
+            height="1em"
+            class="themeToggle-svgIndicator"
+            fill="currentColor"
+            viewBox="0 0 32 32"
+        >
+            <path
+                d="M16 .5C7.4.5.5 7.4.5 16S7.4 31.5 16 31.5 31.5 24.6 31.5 16 24.6.5
+                    16 .5zm0 28.1V3.4C23 3.4 28.6 9 28.6 16S23 28.6 16 28.6z"
+            />
+        </svg>
+    `.trim();
+
+	document.body.appendChild(toggle);
+});