Cleanup age calculation feature

public/Assets/JS/CurrentAgeRenderIndex.js

@@ -0,0 +1,9 @@
+const CurrentAgeElem = document.getElementById("CurrentAge");
+const RefreshTime = 50;
+
+function UpdateHTML() {
+	CurrentAgeElem.innerHTML =
+		"Currently " + UnixToYears() + " years old..";
+}
+
+setInterval(UpdateHTML, RefreshTime);

public/index.html

@@ -36,12 +36,6 @@
 		</div>
 		<br><br><br>
 	</div>
-	<script>
-		const CurrentAgeElem = document.getElementById("CurrentAge");
-		const CurrentAgeRefresh = 50;
-		setInterval(
-			function() {CurrentAgeElem.innerHTML = "Currently " + UnixToYears() + ".."},
-			CurrentAgeRefresh);
-	</script>
+	<script src="Assets/JS/CurrentAgeRenderIndex.js"></script>
 </body>
 </html>