Refactor Footer component and remove it from BaseLayout

src/components/Footer.astro

@@ -1,49 +0,0 @@
----
-import dayjs from "dayjs";
----
-
-<style lang="scss">
-	@import "../scss/_variables.scss";
-
-	footer {
-		bottom: 0;
-		display: flex;
-		font-size: $fontSizeBase * 0.85;
-		height: 4em;
-		justify-content: space-between;
-		left: 0;
-		padding: 1em 4em;
-		position: absolute;
-		right: 0;
-	}
-
-	@media (width <=684px) {
-		footer {
-			padding: 4em 1em 2em;
-		}
-	}
-	ul {
-		display: flex;
-		justify-content: space-between;
-		list-style: none;
-	}
-
-	li {
-		margin-left: 2em;
-	}
-
-	a {
-		color: $colorText;
-		&:visited {
-			color: $colorText;
-		}
-	}
-</style>
-
-<footer>
-	<div>&copy; {dayjs().year()} <a href="mailto:valentin@popov.link">Valentin Popov</a></div>
-	<ul>
-		<li><a href="https://analytics.popov.link" target="_blank">Analytics</a></li>
-		<li><a href="https://code.popov.link/valentineus/valentineus.github.io" target="_blank">Source Code</a></li>
-	</ul>
-</footer>