Add component API to docs (ex: props, events, slots)

src/lib/components/Link.svelte

@@ -0,0 +1,11 @@
+<script lang="ts">
+    export let href: string;
+</script>
+
+<a {href}><slot /></a>
+
+<style lang="postcss">
+    a {
+        color: blue;
+    }
+</style>